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Supraventricular Ectopic Activity: When Excessive it is not all Benign!

Stroke is a significant cause of mortality and disabling morbidity. The major subtypes of stroke are divided into thrombo-embolic, haemorrhagic and cryptogenic, with each having different predisposing risk factors and management strategies. Atrial fibrillation (AF) is the commonest arrhythmia predisposing to thrombo-embolic stroke. The incidence of AF increases with age, affecting up to 5% in the elderly population. Electrophysiology studies have implicated that spontaneous atrial ectopic beats that originate in or near pulmonary veins adjacent to the left atrium, may initiate paroxysms of AF.

Credits: Tuan Le Nguyen MBBS, FRACP; Liza Thomas MBBS, FRACP, PhD

Biosense Webster
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Introduction to AFib
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