What is it?

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare inherited cardiac disorder characterized by abnormal heart rhythms triggered by physical or emotional stress. It is caused by mutations in genes that regulate the heart's electrical signaling system.

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Signs & symptoms

Symptoms of CPVT typically present during childhood or adolescence and may include lightheadedness, fainting, palpitations, and sudden cardiac arrest. These symptoms may be brought on by exercise, emotional stress, or other triggers that cause an increase in adrenaline.


Diagnosis of CPVT usually involves a thorough medical history, physical examination, and various tests, including an electrocardiogram (ECG), exercise stress test, and genetic testing. A Holter monitor or event recorder may be used to capture and analyze heart rhythms over a prolonged period.


Treatment for CPVT often involves beta-blockers to control heart rate and reduce the likelihood of arrhythmias. Implantable cardioverter defibrillators (ICDs) may also be recommended for individuals at high risk of sudden cardiac arrest. Lifestyle modifications, such as avoiding triggers that can increase adrenaline, may also be recommended.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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