…segment depression is a common and early electrocardiographic sign of acute pericarditis, reflecting pericardial involvement overlying the atria [4, 5]. Other Differential Diagnoses ST segment…

…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…

…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…

…coronary occlusion and progress over time. Experimentally, necrosis advances from the subendocardium towards the subepicardium over several hours. The extent and tempo of injury are…

…ostia. It remains the reference standard for defining the extent of coronary artery disease because it provides anatomical information while permitting functional assessment and, when…

…bradycardia in the early hours following infarction may be associated with hemodynamic compromise. More broadly, bradyarrhythmic arrest and asystole represent severe manifestations of impulse generation…

…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…

…biomarkers because they are extremely sensitive and specific for myocardial injury. Elevated levels of cardiac troponins is firm evidence of myocardial necrosis (i.e infarction…

…beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2…