Ventricular fibrillation (VF) is a life-threatening heart rhythm in which the ventricles develop rapid, chaotic electrical activity instead of contracting in a coordinated manner. As a result, the heart cannot pump blood effectively to the brain and other vital organs. VF can cause sudden cardiac arrest and requires immediate emergency treatment.
VF is different from ventricular tachycardia, although ventricular tachycardia can sometimes deteriorate into ventricular fibrillation. Without prompt cardiopulmonary resuscitation (CPR) and defibrillation, VF can be fatal within minutes.
Ventricular fibrillation is a medical emergency, and every minute without effective defibrillation can significantly reduce the chance of survival. Immediate treatment generally involves calling emergency medical services, starting high-quality CPR, using an automated external defibrillator (AED) when available, delivering an electrical shock to restore an organised heart rhythm, and providing advanced cardiac life support while treating the underlying cause. After circulation is restored, patients may require intensive monitoring and additional treatment to reduce the risk of another cardiac arrest.
Causes
Risk Factors
Defibrillation: An AED or manual defibrillator delivers an electrical shock to stop VF and allow the heart's normal electrical activity to resume.
Coronary Revascularisation: If VF is associated with an acute coronary blockage, urgent coronary angiography and appropriate revascularisation may be required.
Implantable Cardioverter-Defibrillator (ICD) : An ICD continuously monitors heart rhythm and can deliver an electrical shock or pacing therapy if a life-threatening ventricular arrhythmia occurs.
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Catheter Ablation : In selected patients with recurrent ventricular arrhythmias, catheter ablation can target abnormal electrical circuits or scar-related areas responsible for arrhythmia.
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Mechanical Circulatory Support: In selected cases of refractory cardiac arrest or severe cardiogenic shock, specialised centres may consider technologies such as extracorporeal membrane oxygenation (ECMO).
MediRehab (a chain of Rehab centres, part of MediGence) provides comprehensive rehabilitation services designed to support Ventricular Fibrillation patients in India. These services include:









Bangalore, India
Gleneagles BGS Hospital, Kengeri, is a leading healthcare centre in Bengaluru, committed to delivering compassionate, patient-focused care locally and globally. The hospital houses 15 specialised departments with over 30 medical and surgical specialities, supported by 450 beds, advanced emergency services, imaging, laboratory, and transfusion facilities.
It is renowned for pioneering initiatives such as South India’s first 5G-enabled ambulance and Karnataka’s largest Multi-Organ Transplant Program. Recognised among India’s top paediatric cranio-maxillofacial centres, it is also the first in Karnataka to receive the AHPI Award 2024 for “Excellence in Nursing Practices” consecutively.

Delhi, India
Indraprastha Apollo Hospital is known for delivering treatment to over 200,000 patients every year; 10,000 of which are generally medical tourists. The efficient team of doctors has the record of 99.6 percent success rate. Indraprastha Apollo Hospital deals in treatment of over 50 specialities.
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Bangalore, India
Manipal Hospital, Yeshwantpur located in Bengaluru, India is accredited by NABH. Also listed below are some of the most prominent infrastructural details:
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