Normal LCA

Normal left coronary artery (LCA) with the circumflex system inferior to the left anterior descending (LAD) artery in this view. (Courtesy of Toronto General Hospital Catheterization

Dilated Cardiomyopathy

The ventricle is enlarged with normal thickness of the ventricular wall. Note that this gross specimen also shows a lateral wall infarct stained as white myocardial tissue.

Stenotic Lesion

LAD with 95% stenotic lesion distal to diagonal branches. (Courtesy of Toronto General Hospital Catheterization Laboratory)