Catecholaminergic Polymorphic Ventricular Tachycardia: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Catecholaminergic Polymorphic Ventricular Tachycardia?
A cardiologist usually treats CPVT. Many patients see an electrophysiologist, a cardiologist with extra training in the heart's electrical problems. Because CPVT runs in families, family members may be offered genetic testing. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Catecholaminergic polymorphic ventricular tachycardia, often called CPVT, is a rare heart rhythm problem. In CPVT, the heart's lower chambers beat in a fast and disorganized way when the body releases adrenaline during exercise or strong emotions. The heart is often structurally normal, but its electrical signals do not work properly.
Symptoms
The most common sign is fainting during exercise or an emotional event. Some people feel their heart racing or pounding, dizzy, or suddenly weak. Symptoms often appear in childhood or the teen years, but many people have no symptoms until a fainting spell happens.
Causes and who gets it
CPVT is caused by gene changes that affect how calcium moves inside heart cells. When calcium handling goes wrong, extra electrical signals can fire and trigger the fast rhythm. Most cases are passed down from a parent, and it affects about one in ten thousand people.
How doctors diagnose it
Doctors start with a medical history and physical exam, asking about fainting spells and family history of sudden death. An exercise stress test records the heart's electrical activity, called an ECG; in CPVT, it shows extra beats and fast rhythms as exercise gets harder.
Treatment
Most people take a beta blocker, which blunts the effect of adrenaline, and many also take flecainide, which calms abnormal electrical signals. Some benefit from an implanted defibrillator, or ICD. People with CPVT are usually told to avoid competitive sports and intense exercise.
When to see a doctor
Anyone who faints during exercise or strong emotion should see a doctor promptly; fainting during activity is never normal. A family death at a young age is another reason to get checked. Call emergency services if someone collapses and does not wake up quickly.
How a direct primary care or concierge doctor fits in
A direct primary care doctor is paid a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either can order initial tests and coordinate referrals, but CPVT requires a heart rhythm specialist, and they can handle routine follow-up once a plan is set.
Common questions
Can people with CPVT play sports?
Most people with CPVT are told to avoid competitive and intense sports, since adrenaline from exercise can trigger the dangerous rhythm. Some moderate activity may be allowed once treatment is in place. The exact limits depend on the person, so the care team sets them individually.
Is CPVT the same as a heart attack?
No. A heart attack happens when blood flow to the heart muscle is blocked. CPVT is an electrical problem, and the heart structure is usually normal.
Will my children inherit CPVT?
When a parent has the gene change, each child has a fifty percent chance of inheriting it. Genetic testing can show whether a child carries the change. Not everyone who carries it develops symptoms.
Can CPVT go away on its own?
CPVT does not usually go away. With the right treatment, many people live full lives, but outcomes vary from person to person.
Sources
- NIH Genetic and Rare Diseases Information Center - Catecholaminergic polymorphic ventricular tachycardia
- MedlinePlus Genetics - Catecholaminergic polymorphic ventricular tachycardia
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
