genetic

Catecholaminergic polymorphic ventricular tachycardia

Catecholaminergic polymorphic (CPVT) is an inherited disorder that predisposes those affected to potentially life-threatening abnormal heart rhythms or arrhythmias. The arrhythmias seen in CPVT typically occur during exercise or at times of emotional stress, and classically take the form of bidirectional ventricular tachycardia or ventricular fibrillation. Those affected may be , but they may also experience blackouts or even sudden death.

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Symptoms — what it feels like

·Blackouts, sudden death

Causes — why it happens

How it's found

· (ECG), testing, adrenaline provocation, exercise testing

Treatment

·Avoidance of strenuous exercise, medication, implantable cardioverter defibrillator

Outlook

·13–20% life threatening arrhythmias over 7–8 years

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Plain-language summary adapted from Wikipedia. Not medical advice.