…from a peripheral artery to the aortic root and coronary ostia. It remains the reference standard for defining the extent of coronary artery disease because…

…always be specified. Coronary arterial thrombi are predominantly platelet rich because they form under high shear conditions. Disruption of an atherosclerotic plaque or injury associated…

…myocardial injury , demonstrated by a rise and/or fall in cTn with at least one value above the 99th percentile URL; and Clinical evidence of…

…rate. Within the context of acute coronary syndromes, particularly ST elevation myocardial infarction (STEMI), ischemic injury can disrupt the conduction system at any level, producing…

…Other leads Greater than or equal to 1 mm These criteria for the other leads apply in the absence of left ventricular hypertrophy or left…

…Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis…

…Myocardial injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated…

…of myocardial infarction. Cardiac troponin T and troponin I have emerged as the preferred biomarkers because they are extremely sensitive and specific for myocardial injury…

…if there is suspicion of cervical spine injury, in which scenario head tilt chin lift should only be used if other methods fail to open…

…tachyarrhythmia at 150 beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other…