…Myocardial ischemia and infarction Definition and pathophysiology Spontaneous coronary artery dissection (SCAD) is an acute coronary disorder caused by separation within the coronary arterial wall…

…the relative merits of PCI and coronary artery bypass grafting (CABG). Definition and Pathophysiology From balloon angioplasty to coronary stents Balloon angioplasty was initially limited…

…not delay reperfusion. 5. Give aspirin if acute coronary syndrome is likely and aortic dissection or active major bleeding is not suspected. 6. Call the…

…the absence of an angiographically obstructive lesion Coronary embolism or thrombus Epicardial coronary vasospasm Coronary microvascular dysfunction Spontaneous coronary artery dissection (SCAD) Standard angiography may…

…distal embolization, coronary dissection, perforation, and abrupt closure. The clinical consequences depend heavily on the amount of viable myocardium supplied by the affected artery. Large…

…follow cardiac surgery, coronary angiography or other invasive procedures, and affected patients may be relatively painless compared with those with spontaneous dissection. Clinical manifestations may…

…with a calcified nodule. Epicardial or microvascular coronary spasm. Spontaneous coronary artery dissection. Coronary embolism of cardiac or non cardiac origin. Oxygen supply–demand mismatch…

…or pericarditis Acute aortic dissection Physical disability that precludes safe and adequate testing Relative contraindications Known obstructive left main coronary artery stenosis Moderate to severe…

…use Deceleration injury Systemic hypertension coexists in approximately 70% of patients with aortic dissection. PAU is particularly associated with advanced age, smoking, coronary artery disease…

…from acute compromise of coronary flow. Mechanisms include: Coronary dissection with obstruction of the true lumen Occlusion of a major epicardial artery or bypass graft…