Polymorphic ventricular tachycardia is an abnormal heart rhythm where the bottom chambers of your heart beat too quickly. People with severe cases may experience sudden cardiac arrest. Conditions that ...
A 25-year-old woman presented to her local hospital following her third episode of syncope in 2 years. All three episodes occurred when she sat down -- the first on a train; the second and third after ...
Brugada syndrome ST-segment elevation in leads V1 and V2 ST-segment elevation was not apparent, even on provocation by injection of a sodium-channel blocker Short QT syndrome QT interval less than 330 ...
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