…is to scrutinize potential cardiac sources of emboli and to evaluate the carotid and cerebral arteries. Ultrasound may reveal atherosclerotic plaques, thrombi, occlusions, and dissections…

…and noncoronary cusp (NCC), showing the same branches as in panel A for cross modality comparison. Clinical features Occlusion of the left main 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…

…regional abnormalities in contractile function. The abnormalities affect the myocardial area supplied by the arteries distal to the occlusion or stenosis. If the ischemia persists…

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

…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…

…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…

…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…