FAQ: Is Atrial Fibrillation (A-Fib) Dangerous?
Is atrial fibrillation (A-fib) dangerous?
In most cases, dangerous complications of A-fib can be avoided with proper medical management. This includes use of blood-thinning medication to prevent stroke, as well as monitoring and medication to avoid a too-high heart rate (which can lead to heart failure).
Note that although A-fib is the most common arrhythmia, it's not the type of arrhythmia that causes sudden cardiac arrests.
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