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Stent Thrombosis: Timing, Causes, Diagnosis, and Prevention

…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…

The Fourth Universal Definition of Myocardial Infarction: Types 1–5

…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…

Complications of Coronary Angiography and Vascular Access Management

…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…

Atropine: Dosing in Bradycardia and Its Limitations

…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…

ECG Criteria for STEMI (ST Elevation Myocardial Infarction)

…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…

Acute Coronary Syndrome: Definitions and Initial Triage

…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…

Chest Pain in the Emergency Department: Diagnostic Pathways

…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…

Diagnostic Criteria for Acute Myocardial Infarction: Cardiac troponins, ECG & Symptoms

…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…

Advanced cardiopulmonary resuscitation (CPR) - Advanced cardiovascular life support (ACLS)

…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…

Atrial flutter: classification, causes, ECG criteria and management

…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…

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