A 44-year-old member asked:
what is worse: ventricular fibrillation or atrial fibrillation?
3 doctor answers
Dr. Michael Fenster answered
30 years experience Cardiology
Ventricular fib: Atrial fibrillation (af) in rare instances can be a life threatening condition. However, many thousands of people each day remain in af without any limitations as long as their symptoms and risks are addressed. Ventricular fibrillation (vf) on the other hand if not treated immediately (usually by elecetrical defibrillation) is almost always uniformly fatal.
Answered on Sep 3, 2018
Dr. Eric Toloza answered
29 years experience Thoracic Surgery
V-fib worse: Ventricular fibrillation is essentially one form of heart attack ... Atrial-fibrillation is mainly a problem if the resulting ventricular rate is very fast, which can cause a very low blood pressure ... Prolonged atrial-fibrillation can also cause a blood clot to form in the atria, which can break off and go to other parts of the body and cause problems, such as stroke if clot goes to the brain.
Answered on Nov 21, 2017
Dr. Jason Rubenstein answered
19 years experience Cardiology
Ventricular fib: Vf is worse; it usually causes cardiac arrest which is often fatal. Atrial fibrillation, while not as severe, also has significant health risks. It increases the risk of stroke, which can be disabling or fatal. Additionally, if the af causes a fast pulse for a prolonged period of time, this may lead to weakening of the heart and cause heart failure.
Answered on Jan 28, 2020
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