…the absence of a major residual epicardial obstruction. No reflow is associated with serious short and long term outcomes. Its occurrence is associated with an…

…is not a test for BPPV. It is used in the acute vestibular syndrome — continuous vertigo with spontaneous nystagmus, nausea and difficulty walking that has…

…Coronary mechanisms Coronary mechanisms include: Plaque rupture or plaque erosion with thrombosis, despite the absence of an angiographically obstructive lesion Coronary embolism or thrombus Epicardial…

…department arrival) and the neurological status assessed at 30 days was evaluated. The findings were as follows: The absence of a pupillary reflex demonstrated a…

…Sudden and unexpected cardiac arrest with loss of mechanical cardiac function. Results in loss of consciousness, cessation of breathing, and absence of a palpable pulse…

…The absence of a slit lamp — the cornea should not be instrumented without magnification. With a suspected chemical injury the priorities are reversed: irrigate first…

…or equal to 1 mm These criteria for the other leads apply in the absence of left ventricular hypertrophy or left bundle branch block [8…

…the past century. Initial post mortem observations in the late 19th century first linked thrombotic occlusion of a coronary artery with myocardial necrosis. Although early…

…precisely, FFR compares the pressure driving flow distal to a stenosis with the pressure that would be available in the absence of that stenosis. The…

…produce post ischemic stunning. In the absence of infarction, contractile recovery can occur rapidly after reperfusion, with recovery generally occurring within one week. By contrast…