Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)

Overview

Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT) is a rare but serious inherited heart rhythm disorder that can cause abnormal heartbeats during physical activity or emotional stress. These irregular rhythms originate from the lower chambers of the heart (ventricles) and may lead to dizziness, fainting, or even sudden cardiac arrest if untreated.

CPVT typically affects children and young adults with otherwise normal heart structure. The condition occurs when the heart’s electrical system becomes unstable during situations that increase adrenaline levels, such as exercise, excitement, or fear.

At Moolchand Hospital, a trusted multi super speciality hospital in Delhi, patients receive comprehensive cardiac evaluation and management for complex heart rhythm disorders. Advanced diagnostics, experienced cardiologists, and modern treatment facilities help ensure safe and effective care.

What is Catecholaminergic Polymorphic Ventricular Tachycardia?

CPVT is a genetic condition that affects the electrical activity of the heart. During stress or physical exertion, the body releases catecholamines (stress hormones such as adrenaline). In people with CPVT, these hormones can trigger dangerous irregular heart rhythms.

Unlike many other heart rhythm disorders, CPVT usually occurs in individuals whose heart structure appears normal on imaging tests. The problem lies within the heart's electrical signaling system rather than the anatomy of the heart itself.

Symptoms of CPVT

Symptoms often appear during physical exertion or emotional stress and may include:

• Sudden dizziness or lightheadedness
  
  

• Fainting episodes (syncope)
  
  

• Palpitations or rapid heartbeat
  
  

• Seizure-like activity due to reduced blood flow to the brain
  
  

• Sudden cardiac arrest in severe cases
  
  

Symptoms typically begin in childhood or adolescence but can occur at any age.

Causes of CPVT

CPVT is usually caused by inherited genetic mutations that affect proteins responsible for controlling calcium movement inside heart cells. This abnormal calcium handling can trigger dangerous heart rhythms during stress.

Common genes involved include:

• Mutations in the RYR2 gene
  
  

• Mutations in the CASQ2 gene
  
  

Because CPVT is genetic, it may run in families.

Risk Factors

Factors that increase the likelihood of CPVT symptoms include:

• Family history of sudden cardiac death
  
  

• Genetic mutations affecting heart rhythm
  
  

• Physical exertion or intense exercise
  
  

• Emotional stress or anxiety
  
  

• Childhood or teenage onset of fainting episodes during activity
  
  

Individuals with these risk factors should undergo evaluation by a cardiologist.

When Should You See a Doctor?

Medical consultation is important if a person experiences:

• Repeated fainting during exercise
  
  

• Unexplained seizures during activity
  
  

• Sudden episodes of rapid heartbeat
  
  

• Family history of sudden unexplained death at a young age
  
  

Early diagnosis can help prevent serious complications.

Diagnosis of CPVT

Diagnosing CPVT requires specialized cardiac testing. Doctors may recommend:

• Electrocardiogram (ECG) to evaluate heart rhythm
  
  

• Exercise stress testing to detect arrhythmias triggered by activity
  
  

• Holter monitoring for continuous heart rhythm recording
  
  

• Genetic testing to identify inherited mutations
  
  

• Family screening if CPVT is suspected
  
  

At Moolchand Hospital Delhi, advanced cardiac diagnostics help detect arrhythmias that may otherwise remain unnoticed.

Treatment Options for CPVT

Treatment aims to prevent dangerous heart rhythms and reduce the risk of sudden cardiac arrest.

Medications

Doctors often prescribe medications such as beta-blockers to reduce the effect of adrenaline on the heart.

Lifestyle Modifications

Patients may be advised to:

• Avoid intense physical activity
  
  

• Manage emotional stress
  
  

• Follow regular cardiac monitoring
  
  

Implantable Cardioverter Defibrillator (ICD)

In high-risk cases, an ICD may be implanted to monitor heart rhythm and deliver a life-saving shock if a dangerous arrhythmia occurs.

Specialized Cardiac Care

Patients with complex arrhythmias benefit from evaluation by experienced cardiologists and electrophysiology specialists.

Possible Complications

If left untreated, CPVT may lead to:

• Recurrent fainting episodes
  
  

• Life-threatening ventricular arrhythmias
  
  

• Sudden cardiac arrest
  
  

• Increased risk of sudden cardiac death
  
  

Timely diagnosis and treatment significantly reduce these risks.

Prevention and Family Screening

Because CPVT is often inherited, family members of diagnosed patients may require screening. Preventive steps include:

• Genetic counseling and testing
  
  

• Early cardiac evaluation for family members
  
  

• Lifestyle modifications to reduce triggers
  
  

• Regular cardiology follow-up
  
  

Why Choose Moolchand Hospital?

Patients seeking advanced cardiac care often choose Moolchand Hospital Lajpat Nagar because of:

• Experienced cardiologists and electrophysiology specialists
  
  

• Advanced cardiac diagnostics and monitoring
  
  

• Multidisciplinary cardiac care teams
  
  

• Modern critical care and emergency facilities
  
  

• Comprehensive care at a leading heart hospital in Delhi
  
  

Conveniently located in South Delhi, Moolchand Hospital is a trusted choice for people searching for a hospital near Lajpat Nagar or a reputed private hospital in Delhi for specialized heart care.