…Occlusion of the left main coronary artery (LMCA) abruptly interrupts blood flow to both the left anterior descending (LAD) and left circumflex (LCx) coronary artery…

…STEMI usually results from rapid thrombotic occlusion of a previously atherosclerotic coronary artery. Slowly progressive severe stenoses are less likely to cause STEMI because collateral…

…the occlusion when the patent donor artery is injected. The collateral circulation therefore has both physiological importance and procedural relevance. The principal anatomical determinants of…

Cardiology Clinical medicine Definition and pathophysiology Peripheral artery disease (PAD) is a clinical disorder caused by stenosis or occlusion of the aorta or arteries supplying…

…by the affected artery. Large areas of jeopardized myocardium, severe baseline stenosis, multivessel coronary artery disease, and diffuse disease increase the likelihood of cardiovascular collapse…

…coronary artery occlusion, and peripheral embolization. Stroke is the third leading cause of death in Western countries, and ultrasound studies are now performed in the…

…in the absence of a flow limiting epicardial stenosis. It is associated particularly with intervention on degenerated saphenous vein grafts, rotational atherectomy, and acute MI…

…occlusion or stenosis. If the ischemia persists for 20 minutes, myocardial infarction ensues, resulting in permanent wall motion abnormalities. Figure 1. Standardized myocardial segmentation and…

…coronary artery and the location of the occlusion, is clinically important. As discussed below, this information can aid in diagnosing ischemia and infarction and guide…

…small vessels, multivessel disease, bifurcation lesions, treatment of acute myocardial infarction Procedural and mechanical Stent underexpansion, incomplete wall apposition, residual inflow or outflow disease, edge…