Figure 212-9

Diagram showing extremes of tunneled coronary arteries: left main (LM) tunneled through the ventricular septum, total Length of the left anterior descending (LAD) located within the myocardium, tunneled segment of LAD becoming intracavitary. AV, aortic valve; LAD, left anterior descending IC, Left circumflex; LM, Left main; LV, Left ventricular; PT, pulmonary trunk; PV, pulmonary valve; RVOFT, right ventricular outflow tract; RV, right ventricle; TV, tricuspid valve.