Cardiology, diagnosis and treatment of heart diseases
Cardiology is that branch of medicine which deals with the treatment of heart diseases
Cardiology - Definitions
About Dr. Robert J. Matthews
Definitions
Acute Viral and Idiopathic Pericarditis
Cardiology by Dr Robert J.Matthews M.D.
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Frequently Asked Questions
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On this page we include some discussion threads with Dr. Matthews that may have broad appeal.
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Message Board 3
On this page we include some discussion threads with Dr. Matthews that may have broad appeal.
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EKG
Fibrous pericardial effusion (PE)
Crossection of the Heart
The conduction system of the heart
Two-dimensional subcostal views from a patient with chronic obstructive lung disease
Amyloidosis of the Heart
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Amyloidosis of the Heart
Amyloidosis of the Heart
Electromicrograph showing extensive replacement of myocardium by amyloid
Parasternal Long- and Short-Axis Views of the Left Ventricle
Active fixation lead
Left Ventricular Hypertrophy
Amyloidosis of the Heart
Chest Film Obtained on the Second Admission
Active fixation lead
M-mode echocardiogram
Amyloidosis of the Heart
Amyloidosis
Amyloidosis
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Aneurysm
Aortic aneurysm refers to an abnormality in the aorta, be it in the thoracic or abdominal portion.
Most frequent sites of aneurysms of the aorta and major arteries.
Atherosclerosis
48d
48c
Transesophageal Echocardiogram
Septic Thromboembolism
Two-dimensional parasternal echocardiogram
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Assessment of aortic regurgitation severity
from continuous wave Doppler signal intensity.
Surgical classification of dissecting aneurysms of the aorta
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51e
51f
51g
Contrast-enchanced computed tomographic scan
Contrast-enhanced CT scan
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Aneurysm of a Saphenous-Vein Bypass Graft
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Angina Pectoris - anterior chest pain due to a partially blocked coronary artery.
This term refers to midsternal, anterior chest pain due to a partially blocked coronary artery, often felt as a chest pressure like an elephant sittin
Angina Pectoris
Angina pectoris refers to midsternal, anterior chest pain due to a partially blocked coronary artery
Diagram showing tunneled left anterior descending coronary artery
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Diagram showing segments of tunneled and nontunneled epicardial coronary artery
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Tunneled epicardial coronary arteries.
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Transverse section of ventricular myocardium
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Tunneled epicardial coronary artery
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Tunneled epicardial coronary artery
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Diagram showing some of the clinical and anatomic factors
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Diagram showing morphologic variations in tunneling
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Diagram showing extremes of tunneled coronary arteries
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Intravascular ultrasound imaging of the myocardial bridging
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Coronary angiogram
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Intracoronary Doppler blood flow velocity profile
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Representative case with CMB augmented by nitroglycerin
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Determination of vessel dimension at site with CMB by quantitative coronary analysis system
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Case with CMB that was demonstrated only after nitroglycerin administration
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Summary of effect of nitroglycerin (NTG) on vessel dimension of sites with CMB
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Representative pattern of intravascular ultrasound imaging at site with CMB
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Angina Pectoris
Angina pectoris refers to midsternal, anterior chest pain due to a partially blocked coronary artery
Acute effects of nitrates on exercise testing in syndrome X
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Main pathogenetic mechanisms of syndrome X
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Angiogram
An angiogram is an invasive test (arteriogram) in which a radiopaque dye is injected through a catheter inserted into the right femoral artery located
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PTCA
Right anterior oblique coronary arteriogram of the first patient who underwent the first transluminal coronary angioplasty on September 16, 1977
Coronary Angiogram
Angioplasty
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Atherectomy
Complex stenosis of tortuous proxima' LAD
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Aorta - one of the great arteries of the heart arising from the outflow tract of the left ventricle ...
Aorta is one of the great arteries of the heart arising from the outflow tract of the left ventricle to supply oxygenated blood to the body (see figur
Four-chamber View of Heart
Panels from transesophageal echocardiographic examinations
A necropsy specimen from an elderly woman
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Aortic Insufficiency
Aortic insufficiency is a condition in which the aortic valve has become disfigured to such an extent that its leaflets no longer are able to complete
48a
Low-power photomicrograph of an aortic cusp
Aortic regurgitation, pulsed wave. Doppler recording
The aortic (A2) and pulmonic (P2) closure sounds are coincident with the incisurae of their respective arterial traces.
Assessment of aortic regurgitation severity from continuous wave
Assessment of aortic regurgitation severity
from continuous wave Doppler signal intensity.
Assessment of aortic regurgitant severity
Assessment of aortic regurgitation severity
from continuous wave Doppler signal intensity.
Fungus Prosthetic-Valve Endocarditis
Aortic Coarctation and Bicuspid Aortic Valve
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Aortic Regurgitation
Table 1
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
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Assessment of aortic regurgitation severity
from continuous wave Doppler signal intensity.
Table 2
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Table 3
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Aortic Stenosis
In patients younger than 65 years old with symptomatic aortic valve stenosis, the most frequent pathologic finding is a bicuspid aortic valve (normall
Two-dimensional echocardiogram
Fibrous (rheumatic) aortic stenosis
Four types of calcific aortic stenosis
Two-dimensional echocardiogram
Electrocardiogram from an 8-year old boy with valvular aortic stenosis
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
The relation between flow velocity and pressure drop across a discrete obstruction.
The relation between flow velocity and pressure drop across a discrete obstruction.
Aortic valve area using the continuity equation
Systolic pressure gradient and aortic velocity
Aortic Valve
The aortic valve is a semi-lunar valve situated at the root of the aorta receiving oxygenated blood from the left ventricle to be pumped to the rest o
Arrythmias
Causes of Cardiac Arrythmias
This term refers to a change from a normal, regular, automatic, heart beat and rhythm to an irregular beat and rhythm.
Ca
Electrocardiographic
Atrioventricular-Conduction Disturbances
Proarrhythmic Response
complete heart block
Tachycardia
Supraventricular Tachycardia
WPW Syndrome
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Wolff-Parkinson-White Syndrome
Artery
Structure of blood vessel:Arteries consist of three layers :the innermost intima, the media, and the outermost adventitia
Atria
There are two atria of the heart, left and right
Atherosclerosis, heart disease and cardiology information
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Intravascular Ultrasound
Coronary Angiography
Angiogram
Two Views of the Role of the Acute-Phase
Two Views of the Role of the Acute-Phase
Response in Atherothrombosis.
Atherosclerosis, heart disease and cardiology information
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Atherosclerosis, heart disease and cardiology information
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AtrioVentricular Conduction Disturbances
Atrial Fibrillation - an arrhythmia, disorganized atrial electrical activity
Atrial fibrillation is an arrhythmia, characterized by grossly disorganized atrial electrical activity, which is irregular in respect to both rate and
Atrial fibrillation
Atrial fibrillation
Irregular wide QRS tachycardia
Animation
Onset of collision of wavelets
The Autonomic Nervous System
The autonomic nervous system functions involuntarily to control motor functions of the heart, lungs, other internal organs and of the smooth muscles o
Diagrammatic representation of the efferent autonomic innervation of the heart.
Atrial Fibrillation
Postoperative Tachycardia
Diagram
Four-chamber View of Heart
Pulmonary Vein
Gap Eletrogram
Ostial Ablation
Wolff-Parkinson-White Syndrome
24 Hour Holter Monitoring Report
Sustained Ventricular Tachycardia
Sustained ventricular tachycardia(VT) may arise in the conducting system below the bundle of His or in the ventricular myocardium or both lasting 30s
Coronary Arteries
Nonsustained forms of V.T.
Nonsustained forms of V.T.
Repetitive monomorphic VT (RMVT)
Repetitive monomorphic VT (RMVT)
Ventricular Tachycardia
Different forms of sustained potentially
fatal VTs.
Different forms of sustained potentially fatal VTs
Different forms of sustained potentially
fatal VTs.
Ventricular Tachycardia
Rapid wide QRS tachycardia in female with prior chest wall trauma and left ventricular aneurysm.
Catheter ablation for Ventricular Tachycardia
Rapid wide QRS tachycardia in female with prior chest wall trauma and left ventricular aneurysm.
ICD with antitachycardia pacing
Note VT ending, followed by pacing which converts rhythm back to normal sinus one.
EKG
Bipolar (BP) and unipolar (UP)pacing
Pacing
Electrocaridogram lead II
Electrocaridogram lead II
Electrocaridogram lead II
Medtronic Target Tip
Titanium Electrode
Active fixation lead
Active fixation lead
Stored Ventricular Electrogram
Stored Ventricular Electrogram from an Asymptomatic 35-Year-Old Man
Internal Ventricular Defibrillation
Internal Ventricular Defibrillation
Morphologic compounds of the underlying disease process in HCM.
Morphologic compounds of the underlying disease process in HCM.
Mitral valves
M-mode echocardiographic image
Hypertrophic cardiomyopathy
left ventricular hypertrophy in children with HCM
Two-dimensional echocardiogram
Gross pathology of a dilated cardiomyopathy
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
Left ventricular hypertrophy
Transesophageal echocardiographic image of a mobile and protruding thrombus
Precardioversion (left) and postcardioversion (right) images of the left atrial appendage
TEE screening for thrombi
Atrial Flutter
Atrial flutter is a rapid, regular atrial tachyarrhythmia, less common than PSVT's or atrial fibrillation
Two-dimensional echocardiogram from a patient with moderate mitral stenosis
D-transposition of the great arteries
Four-chamber view of heart
Atrial Septal Defect
Atrial Septal Defect
Atrial flutter
Atrial flutter
Atrial flutter
Schematic left anterior oblique view of the atria
Atria
There are two atria of the heart, left and right
Atrial Septal Defect
Atrial septal defect accounts for a third of the adult cases of congenital heart disease, occurring two to three times more frequent in women.
Ventricular Septal Defect
Patent Ductus Arteriosus
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Tetralogy of Fallot
PSVT due to AV nodal reentry
In patients with Eisenmenger's syndrome
Auscultation of the Heart
Auscultation is that part of the physical examination involving the act of listening with a stethoscope to sounds made by the heart, lungs, and blood.
Normal Pulmonic Valve
The apex phonocardiography
The apex phonocardiography is recorded
with the mitral valve echocardiogram (left panel) and tricuspid valve
echocardiogram (r
The apex phonocardiography
The apex phonocardiography is displayed
simultaneously with the cardiac cycle
Base and apex phonocardiograms
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Base and apex phonocardiograms
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
The effect of changing the PR interval
The effect of changing the PR interval
on left ventricular sound and pusher events
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Base and apex phonocardiograms are recorded simultaneously with the aid the apexcardiogram(ADG)
Simultaneous phonocardiograms
equisensitive left ventricular and left atrial pressures
Base and apex phonocardiograms
The apex phonocardiogram
Base and aortic root phonocardiograms
Base and apex phonocardiograms
A prominent aortic valvular ejection sound(AVES)
Simultaneous right ventricular and pulmonary artery pressures
Base and apex phonocardiography phonocardiograms
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A midsystolic nonejection sound C
The aortic (A2) and pulmonic (P2) closure sounds
The aortic (A2) and pulmonic (P2) closure sounds are coincident with the incisurae of their respective arterial traces.
The base and apex phonocardiograms
The base and apex phonocardiograms are recorded simultaneously with the arctic valve echocardiogram.
Normal physiologic splitting
Normal physiologic splitting
Wide physiological splitting of S2
Audible expiratory splitting that widens normally with inspiration is present
The base phonocardiogram
High-fidelity left and right
ventricular pressures are recorded with the base phonocardiogram
The phonocardiogram of a patient with severe valvular
The phonocardiogram of a patient with severe valvular pulmonic stenosis
Simultaneous base and apex phonocardiogram
Simultaneous base and apex phonocardiogram recorded together with the carotid pulse during with quiet respiration in a young woman with a
large atri
Sound and pressure correlates of S2
Sound and pressure correlates of S2 in a 45 year
old woman with the normotensive atrial septal defect
Reversed splitting of S2
Reversed splitting of S2 with paradoxical movement in a patient with complete LBBB
Hypertrophic cardiomyopathy
External sound and aortic root sound are recorded simultaneously with pressures in the left ventricle and central aorta in a patient with hypertrophic
Base and apex phonocardiograms
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Atrial diastolic (ADG) and ventncular diastolic (VDG) gallops
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Atrial diastolic (ADG) and ventncular diastolic (VDG) gallops
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Apex phonocardiograms
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Diastolic Filling Sounds
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Base and apex phonocardiograins
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Innocent Murmur
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Blood Supply of the Cardiac Conduction System
Cardiology is that branch of medicine which deals with the treatment of heart diseases
Drawing illustrating the normal blood supply of the human ventricular septum
The principal arteries and veins
Myocardial perfusion patterns of major epicardial coronary arteries
Arterial blood supply of the cardiac conduction system
The normal blood supply of the human ventricular septum
Bradycardia
Asymptomatic Bradycardia
Diagram showing change accounting
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Patient with a dual pacemaker
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
An algorithm for choosing a pacemaker model
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Patient with dual-chamber unipolar pacemaker
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Causes of Bradycardia
Bradycardia Evaluation
EKG
EKG
24 hour EKG Holter report
Bradycardia Management
Radiographs
Active Fixation Lead
Trial of external transthoracic pacing
The ventricular trachycardia
Bypass Surgery
Bypass surgery with reference to the heart involves harvesting veins taken from the periphery (especially the legs) and subsequently
utilized to byp
Cardiac Tumors
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Transesophageal echocardiogram
Transesophageal Echocardiogram
Transesophagesal Echocardiogram
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Left atrial myxomas
Transesophageal Echocardiograms of a Right Ventricular Myxoma
Cardiology
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Cardiomyopathy
Cardiomyopathy represents a group of diseases of the heart, which involve the heart muscle itself resulting in contractile and relaxation dysfunction
Hypertrophic Cardiomyopathy
Doppler tracing
The Heart of a Boy with Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
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Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Heart Specimen Showing Patchy Deposition of Smudgy Amyloid
Heart Specimen Showing Patchy Deposition
of Smudgy Amyloid
UhIs' anomaly
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Gradient-echo image
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Dilated and Hypertrophic Cardiomyopathy
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Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Relationship of neurohormonal activation and production of cardiac myocyte loss
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Heart failure compensatory mechanisms
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Relationship between progressive myocardial dysfunction and remodeling
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Right ventricular endomyocardial biopsy
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Cardiac myocyte vacuolization in cases of Adriamycin cardiomyopathy
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Cardiac Conduction System
The conduction system of the heart consists of the following:
Animated Illustration
Congestive heart failure
Congestive heart failure is a condition in which the cardiac muscle does not pump blood efficiently through the various valves of the heart and the re
Two-dimensional apical four-chamber view
Chest roentgenogram of a patient with mitral stenosis
Ventricular Septal Defect
Ventricular Septal Defect (VSD) is the most common congenital heart abnormality in infants and children, with equal frequency in both sexes.
Ventricular Septal Defect
Patent Ductus Arteriosus
The ductus arteriosus connects the descending aorta to the left pulmonary artery
Pulmonary Stenosis
Pulmonary stenosis occurs in 10-12% of cases of congenital heart disease in adults.
Morphology of the normal aortic valve.
Congenital Heart Disease in Adults
The descending aorta and its branches
Schematic diagram of the 10 left ventricular segments
Congenital Heart Disease in Adults
Valvular Deformities
Right ventricular(RV) angiogram
Carcinoid heart disease
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Parachute mitral valve
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Parachute mitral valve
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
cavf-1a
cavf-1b
Diagram showing coronary artery fistula
cavf3
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fistula80 / cavf-4b.jpg
Coronary angiography revealed a fistula connecting the left main coronary artery with the right atri...
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Tetralogy of Fallot
Tetralogy of Fallot is characterized by a large ventricular septal deftect (VSD), an aorta that overrides the left and right ventricles, obstruction o
Ebstein's Anomaly
The Ebstein's anomaly is due to a defect in the tricuspid valve (TV) with the septal and posterior leaflets displaced down into the right ventricle, w
Transposition of the Great Arteries
Transposition of the great arteries, the aorta arises in an anterior position from RV and the pulmonary artery arises from LV
23h
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Eisenmenger's Syndrome
Congenital Heart Disease in Adults
Coronary Arteries
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Convalescent Depression After A Myocardial Infarction or Heart Surgery
Convalescent Depression After A Myocardial Infarction or Heart Surgery
Depression
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Depression and Cardiovascular Disease
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Doppler Echocardiogram of the Coronary Artery
Directional Coronary Atherectomy
Electron beam computed tomography (EBCT)
The electrocardiogram is a recording of the electrical activity of the heart as it undergoes excitation (depolarization) and recovery (polarization) t
Stenosis
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Calcium Score Nomogram
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Exclusion of Coronary Calcium
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Aneurysm
Exercise test
Structure of blood vessel:Arteries consist of three layers :the innermost intima, the media, and the outermost adventitia
Signal-Averaged Electrocardiography (SAECG)
In patients vulnerable to sustained ventricular tachycardia(VT) may be found low amplitude, high frequency waveforms in the terminal QRS complex of th
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Spectral temporal map of the SAECG
Techniques of electrophysiology
Intracardiac recordings
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Effects of various filtering frequencies on the morphologic appearance of intracardiac electrograms
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Anterior-posterior view of the right atrium
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Activation of the right atrium during focal atrial tachycardia
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Determination of cardiac refractory periods during atriat pacing
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Induction of supraventricutartachycardia (SVT) in Wolff-Parkinson-White syndrome
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Atrioventricutar (AV) block in the His-Purkinje system (HPS)
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Atrioventricutar (AV) block in the His-Purkinje system (HPS)
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Wide QRS tachycardia
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Wide QRS tachycardia
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Asystole in neurocardiogenic syncope
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Arrhythmic causes of syncope
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Induction of sustained ventricular tachycardia due to bundle branch reentry (BBR)
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Initiation of sustained monomorphic ventricular tachycardia (VT)
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Echocardiography
An M-mode echocardiographic recording
Normal M-mode echocardiographic base-to-apex scan
35-1
Anatomic drawings of the parasternal imaging planes
Two-dimensional parasternal long-axis views from a normal subject.
Two-dimensional parasternal long-axis views from a normal subject.
Two-dimensional parasternal long-axis view
Family of two-dimensional apical views from a normal subject.
Transesophageal echocardiography probe
Ectopic Atrial Tachycardias
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Equipment
The directional atherectomy catheter is advanced over a steerable guide-wire.
Hypertrophic Cardiomyopathy (HCM)
This primary heart disease is due to disorders of sarcomeric proteins of the heart muscle, showing a cellular disarray of myofibrils (fibers of the he
The Heart of a Boy with Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
Calcification of the pericardium
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
HCM
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
HCM
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy
Hypertension
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Table 2
Atrial fibrillation in WPW syndrome with accessory pathway conduction
51h
51j
51k
122b
Signal- averaged vector complex
123e
123a
123b
123c
123d
table6
Angiotensin Converting Enzyme Inhibitors
Beta-adrenergic Blocking Agents
Table 8
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Table 10
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Table 3
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Table 4
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Table 5
Atrial fibrillation in WPW syndrome with accessory pathway conduction
Cine Images
Interrelation among Renal-Artery Stenosis, Hypertension,and Chronic Renal Failure
Cine Images
Eisenmenger's Syndrome
The Eisenmenger's syndrome consist of a large left (L) to right (R) shunt, which causes severe pulmonary (lung) vascular disease and high blood pressu
Flail Valve
Flail refers to the disorganized, unpredictable, haphazard movement of a leaflet of one of the heart valves.
Myxomatous mitral valve with ruptured posterior leaflet chordae
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Transesophageal echocardiographic four-chamber view of the heart
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Flail posterior leaflet of the mitral valve
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Diagnosis and Therapy of Heart Failure
Diagnosis and Therapy of Heart Failure
Mitral Valve and PMV
Mitral valve is a heart valve, which is composed of two leaflets (anterior and posterior) demarcated by two commissures along an annular ring,separati
106a
Heart Flow
Mitral valve stenosis
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Stereolithographic model of a normal MV
Schematic diagram of the 10 left ventricular segments
Flail posterior leaflet
Schematic diagram of the 10 left ventricular segments
Rheumatic mitral sclerosis
Phonocardiogram with carotid pulse tracing
Pressure records from a patient with rheumatic mitral stenosis
Myocardial Infarction
This term refers to the death of a certain segment of the heart muscle (myocardium), usually the result of a focal complete blockage in one of the mai
Dilatation Catheter
Stents
Untitled Document
Directional atherectomy catheter
Coronary artery dissection
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Coronary artery dissection
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Diagram showing morphologic definition of coronary artery dissections
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Diagram showing change accounting
Taken from three-dimensional echocardiographic and stereolithographic replicas, the next illustration demonstrates mitral valve stenosis
Echocardiogram from a patient with mitral valve prolapse
Mtral regurgitation after successful PMV
Prosthetic heart valves
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Myxomatous mitral valve
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Sequence of percutaneous mitral valvotomy
Aspergillus Fungus Balls from the Mitral Valve
Welcome to Dr.Matthews Site
Magnetic resonance imaging (MRI) is a technique for obtaining high resolution images of various organs within the human body by mapping the distributi
CineImage
Contrast Enhanced Images
Left ventricular dysfunction
Final position of transvenous leads into the cardiac veins
Reduction ventriculoplasty
An intre-aortic balloon pump
Implantable balloon pump
Total Artifical Heart
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Heart transplantation
Intra Aortic Balloon Pump (IABP) Counterpulsation
Diagnosis and Therapy of Heart Failure
Intra aortic balloon (IAB) during systole and diastole
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Schematic representation of coronary blood flow
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Infective endocarditis in adults
Diagnosis and Therapy of Heart Failure
Microbiologic features of native-valve
Microbiologic features of native-valve
Laboratory diagnosis of common causes of culture-negative endocarditis
Laboratory diagnosis of common causes of culture-negative endocarditis
Common Peripheral Manifestations of Infective Endocarditis.
Common Peripheral Manifestations of Infective Endocarditis.
Modified duke criteria for the diagnosis of infective endocarditis
Modified duke criteria for the diagnosis of infective endocarditis
Modified duke criteria for the diagnosis of infective endocarditis
Modified duke criteria for the diagnosis of infective endocarditis
Intravasucular Ultrasound
This procedure involves the percutaneous insertion of an angioplasty like catheter containing miniature ultrasound equipment into the femoral artery o
Lipid Plaque
Is an irregular and eccentrically placed accumulation of fatty material in the walls of the coronary arteries.
COMPLICATIONS OF MYOCARDIAL INFARCTION
This term refers to the death of a certain segment of the heart muscle (myocardium), usually the result of a focal complete blockage in one of the mai
Findings at Autopsy in a Patient with a Simple Ventricular Septal Rupture
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Gross Findings in a Patient with a Posterior Ventricular Septal Rupture
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Transthoracic Two-Dimensional Apical Four-Chamber Views
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Transesophageal Four-Chamber Views
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Myocarditis
Myocarditis represents an inflammation of the heart muscle in many cases due to multiple infectious agents.
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Mitral Valvuloplasty
Closed mitral valvuloplasty is uncommonly performed in this country, but is in some other parts of the world .
Pericardium
The pericardium is a tough, fibrous, outer coating with discrete attachments to the sternum, great vessels, and diaphragm and an inner membranous coa
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Pericardial Effusion
Pericardial effusion is a syndrome in which there is an accumulation of fluid in the pericardial sac
Peripherial Vascular Disease
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Prolapse
Prolapse refers to an abnormal condition or formation of the various four heart valves.
Phonocardiogram and echocardiogram in mitral valve prolapse
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
A parasternal 2-D echocardiographic view
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
PVCs
The common form of PVCs are coupled to the preceding sinus beat by a fixed coupling interval.
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Active fixation lead
Exceptions to the rule for compensatory pauses
Active fixation lead
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Active fixation lead
Ladder diaagram for analysis of cardiac arrhythmias
Active fixation lead
Hypertension
It is a vascular disease but is oddly confined to the small pulmonary arterioles, where intimal fibrosis and medial hypertrophy lead sequentially to v
Pulmonary Valve
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Robert Matthews MD
Rheumatic fever is a sequel of Group A Beta hemolytic streptococcal upper respiratory tract infection in the age group 5-15 yrs, and young adults
Stent
A stent is a endovascular cylindrical, mesh-like, but dilatable structure (by ballon catheter), which is inserted into various atherosclerotic arteri
A Metal Stent
Stent Engineering Data
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram in three patients with chronic rheumatic mitral valvul
Supraventricular Tachyarrhythmias
Supraventricular tachyarrhythmias (SPVT) are characterized by rapid, irregular heart beats associated with an atrial rate of a 100 or more a minute;
Orthodromic supraventricular tachycardia, SVT
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Orthodromic supraventricular tachycardia, SVT
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Orthodromic supraventricular tachycardia, SVT
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Orthodromic supraventricular tachycardia, SVT
Base and apex phonocardiograms are recorded simultaneously with the mitral valve echocardiogram
Temporary Pacing
Transvenous temporary pacing
Tinnitus
In patients younger than 65 years old with symptomatic aortic valve stenosis, the most frequent pathologic finding is a bicuspid aortic valve (normall
Tricuspid Valve
The tricuspid heart valve as an inlet allows unoxygenated blood to flow from the right atrium to the right ventricle of the heart
Valves
Replacement Heart Valves
Venous Pulse
Congestive heart failure is a condition in which the cardiac muscle does not pump blood efficiently through the various valves of the heart and the re
Ventricle
The heart has two ventricles, which includes a right and a left one.
Ventricular Fibrillation
Ventricular fibrillation is a terminal arrhythmia, uniformly requiring rapid initiation of emergency measures.
Congenital Heart Disease in Adults
Transposition and Switching of the Great Arteries
Hypertension
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Hypertension
It is a vascular disease but is oddly confined to the small pulmonary arterioles, where intimal fibrosis and medial hypertrophy lead sequentially to v
Obstructive sleep apnea
Transvenous temporary pacing
List of Illustrations
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Cardiology is that branch of medicine which deals with the treatment of heart diseases
EKG