A: In most cases, it's probably ventricular fibrillation that causes these sudden deaths from fear.

答：大多数情况下，很可能是由于心室颤动导致恐惧引发的突然死亡。

youdao

Heart failure. This can result if your heart is pumping ineffectively for a prolonged period due to a bradycardia or tachycardia, such as atrial fibrillation.

心衰持续的心率失常(比如房颤)会使心脏在很长时间里无法有效地泵血，从而引起心衰。

youdao

For a variety of reasons, something - such as a structural heart defect - causes the heart to beat out of control. This abnormal heart rhythm is known as ventricular fibrillation.

在这多种原因中，一些会导致心跳失常，比如结构性心脏缺陷，这种异常的心律被称作。

youdao

The researchers reported a link between silent strokes and a condition called atrial fibrillation.

VOA: special.2009.08.12

A condition called atrial fibrillation produces an abnormal heartbeat.

VOA: special.2010.02.17

The 663 patient trial compared patients with a type of atrial fibrillation called paroxysmal AF, giving half the fish oil pill and half a placebo.

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Sometimes, however, these waves become horribly distorted and make the heart beat erratically, a condition called cardiac fibrillation.

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But more than one alcoholic drink can have consequences: Excessive drinking can trigger atrial fibrillation, a form of irregular heartbeat.

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