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Mitral regurgitation

…degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome, Ehlers Danlos syndrome), osteogenesis imperfecta typically causes prolapse of P2 (Figure 1). Myocardial…

Short and long-term prognostication in cardiac arrest

…may take hours to days. It is generally stated that myocardium resists 20 minutes of severe hypoxia before cell death begins. It appears that neurons…

Arrhythmias before and during cardiac arrest

…overdoses, etc.). Among victims in whom the cardiac arrest was caused by VT or VF (e.g acute or chronic myocardial ischemia, heart failure, etc…

Sinus node dysfunction (SND) and sick sinus syndrome (SSS)

…Increased intracranial pressure Irreversible causes of sinus node dysfunction Age related degenerative disease (fibrosis) Myocardial ischemia/infarction Lesions due to heart surgery Myocarditis Collagen disease…

Tricuspid regurgitation (TR/TI)

…anomaly (Figure 1). Carcinoid heart disease. Endocarditis (common in intravenous drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the right ventricle. Dilatation of the…

Aortic stenosis

…are caused by calcification of the aortic valve. Calcification has traditionally been considered a passive degenerative process, but emerging evidence suggests it is propelled by…

Fascicular block (hemiblock): Left anterior & left posterior fascicular block

…those with LAFB, however, have significant heart disease. Myocardial infarction, coronary artery disease, left ventricular hypertrophy, dilated cardiomyopathy, hypertrophic cardiomyopathy, degenerative disease, hypertension, hyperkalemia, myocarditis…

Antiplatelet Therapy in Secondary Prevention After Myocardial Infarction

Myocardial ischemia and infarction Pharmacology & dosing Definition and pathophysiological basis Secondary prevention after myocardial infarction (MI) encompasses long term interventions intended to reduce recurrent infarction…

Fourth Universal Definition of Myocardial Infarction: Types 1–5

…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…

Myocardial Infarction with Non-Obstructive Coronary Arteries: Causes, Work-up and Management

…of acute coronary syndrome (ACS), biochemical evidence of myocardial injury with corroborating evidence of infarction caused by ischaemia, and no obstructive stenosis in a major…

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