…of occlusion that may provide a window of opportunity for reperfusion. In addition, some patients present with severe LMCA stenosis exacerbated by other conditions, and…

…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…

…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…

…of dissection and impaired distal flow. These alternative causes must be distinguished from isolated no reflow because their treatment may require immediate stenting or other…

…adequacy of collateral channels. Additional features associated with greater difficulty include a previously failed attempt, a blunt proximal stump, vessel bending, calcification and an occlusion…

…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…

…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…

…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…

…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…