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 ...
Ventricular tachycardia (VT) is a heart condition that begins in the lower chambers of the heart. It causes the heart to beat very quickly at a rate of over 100 beats per minute. Symptoms of VT ...
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