Figure 3.mbg

Case with CMB that was demonstrated only after nitroglycerin administration.
A, Before nitroglycerin there was only minor luminal irregularities in middle portion of LAD in diastole.
B, In systole, there was no narrowing.
C, After nitroglycerin, coronary segments dilated in diastole.
D, Under these conditions, CMB was observable by angiography.