A member asked:

Is sinus tach the same as a fib been battling this for 3 years they keep saying sinus tach .? my mother has a fib .i'm curious if that is what mine is

2 doctors weighed in across 2 answers

Sinus tachycardia.: Atrial fibrillation is an abnormal heart rhythm that is potentially very fast. Sinus tachycardia is a NORMAL heart rhythm that is running faster than normal, usually above 100bpm. There should be a reason for this, but it's different that what your Mom has.

Answered 8/17/2016

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Dr. David Lipkin answered

Specializes in Internal Medicine

Not the same: Sinus tachycardia is very different from atrial fibrillation. In sinus tachycardia the heart is beating faster than normal but is otherwise functioning normally. Sinus tachycardia is normal during exertion such as running. In atrial fib the upper atrial chambers are not contracting and propelling blood to the ventricles. Instead they are fibrillating(quivering). This can cause blood clots > stroke

Answered 8/17/2016

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