…bundle of His). Abnormal depolarization will consequently lead to abnormal repolarization. This explains the secondary ST T changes seen on premature ventricular complexes; the ST…

…and anxiety. As the tachyarrhythmia originates above the ventricles, ventricular depolarization proceeds normally via the His Purkinje system, and in most cases, there is no…

…into ventricular fibrillation at any age. Exercise, or any other activity causing adrenergic stimulation, increase the risk of syncope, ventricular arrhythmias and sudden cardiac arrest…

…excitation (the ventricles are excited prematurely; refer to Figure 4, third panel). As illustrated in Figure 4 the initial depolarization of the ventricles is slow…

…Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease…

…with avoidance of second hand smoke and, where possible, other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption…

…magnitude of untreated LDL C elevation. The presence and age of onset of premature CAD or other vascular disease. A history of myocardial infarction or…

…cells, macrophages, neurons and other tissues. This distribution helps explain why PA produces cardiovascular injury beyond its effects on blood pressure and potassium balance. The…

…excellent, with the vast majority of patients recovering completely after restoration of sinus rhythm (or any other rhythm with normal ventricular rate and activation). Recovery…

…This is also a normal finding. Abnormal (pathological) causes of sinus bradycardia In all other situations, sinus bradycardia should be regarded as a pathological finding…