What is it?

Ventricular fibrillation is an arrhythmia characterized by rapid disorganized heart signals from the ventricles, causing them to twitch uselessly. As a result, the heart doesn’t contract as well as it should to deliver blood to the body organs. Ventricular fibrillation is a medical emergency! Ventricular fibrillation is caused during a problem in the electrical circuit of the heart or due to lack in blood supply to the heart itself. Risk factors may include older age, coronary artery disease, different heart conditions, congenital heart disease, previous heart attack, previous episode of ventricular fibrillation, cardiomyopathy, injuries to the heart muscle, drug misuse or a severe imbalance of potassium or magnesium. Without getting treated immediately, ventricular fibrillation can kill within minutes.

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Signs & symptoms

Symptoms may include loss of consciousness, collapse, chest pain, tachycardia, dizziness, nausea and shortness of breath.


Diagnosis of atrial fibrillation is based upon medical history, physical examination, ECG, echocardiogram, angiogram, cardiac CT or MRI. chest X-ray and blood tests to rule out other conditions.


Treatment includes cardiopulmonary resuscitation or defibrillation within minutes! To prevent future episodes, treatment may include medications, an implantable cardioverter- defibrillator (ICD), cardiac ablation, coronary angioplasty and stent placement ot a coronary bypass surgery.

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

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