…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…

…laboratory medicine Myocardial ischemia and infarction Definition and pathophysiology Myocardial infarction (MI) is a clinical diagnosis that integrates myocardial injury, evidence of acute myocardial ischaemia…

…digitalis excess. Biomarkers and Laboratory Findings The source material does not provide information on biomarkers or laboratory findings specific to the evaluation of bradycardia. Treatment…

…Criteria for ST Elevation Myocardial Infarction (STEMI) The diagnosis of STEMI relies on specific electrocardiographic thresholds for ST segment elevation measured at the J point…

…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…

…In the vast majority of cases, the re entry circuit in atrial flutter is located in the right atrium and it typically loops around the…