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A 40-year-old member asked:

is ventricular fibrillation the cause of cardiac arrest?

3 doctor answers8 doctors weighed in
Dr. Bennett Werner
Cardiology 44 years experience
2 causes: Broadly speaking, there are 2 causes of cardiac arrest: ventricular fibrillation and asystole.
Dr. Michael Depietro
Pulmonary Critical Care 35 years experience
One of them: It is the most common heart arrhythmia associated with cardiac arrest. It is not exact to call it the cause, since ventricular fibrillation itself has an underlying cause, most commonly coronary artery disease, but there are others.
Dr. Sue Ferranti
Internal Medicine 29 years experience
Sometimes...: Ventricular fibrillation is a cardiac arrhythmia that results in the heart being unable to circulate blood. Thus, there is no pulse with this rhythmn. However, there are other cardiac rhythmns that also result in cardiac arrest.

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A 40-year-old member asked:

What are the chances of cardiac arrest (ventricular fibrillation) occuring twice?

1 doctor answer2 doctors weighed in
Dr. Rada Ivanov
Pulmonary Critical Care 31 years experience
Very likely: Very likely especially if the first one was not treated. Somewhat less likely if the first one was treated and predisposing factors were identified and eliminated, but still possible e.g. Unidentified additional predisposing factors or just heart tissue being more sensitive.

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Last updated Jul 7, 2014
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