Most cases of ventricular fibrillation are linked to some form of heart disease. Ventricular fibrillation is frequently triggered by a heart attack.

室颤通常是由心脏疾病引起的，比如心梗。

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Heart attack victim that develops ventricular fibrillation will lose consciousness.

心脏病发作的受害者，心室颤动时将失去意识。

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The most common reason for sudden cardiac arrest is a very chaotic heart rhythm (ventricular fibrillation), which occurs as a result of a heart attack.

心脏骤停的最常见原因是由心肌梗塞引起的心率极度紊乱（如室颤）。

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Aspirin can also be used as a long term treatment for those with a history of heart attack and stroke, or who have peripheral arterial disease, stable angina or atrial fibrillation - an irregular heart rhythm.

BBC: Aspirin