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What is ventricular fibrillation?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Ventricular fibrillation, or V-fib for short, is a condition in which the lower chambers of the heart, called the ventricles, do not contract or squeeze normally. Watch this animation to learn more about this condition.


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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.