SAN FRANCISCO -- Cardiac repolarization dynamics seemed to cycle in sync with the menstrual cycle of some people with congenital and drug-induced long QT syndrome (LQTS), a small prospective study ...
An arrhythmia (also termed cardiac dysrhythmia) is described as an irregular heartbeat caused by aberrant electrical activity in the heart. There are multiple categories of arrhythmia, each of which ...
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