Assertion: atrial fibrillation's heart rhythm | /r/RelatedTo | afib
Facets:
Source sentences:
text: Although AFib itself is not dangerous, the abnormal heart rhythm associated with AFib means blood does not pump through the heart as it should, causing it to pool in the atria where it can form a clot.
text: Both short-term and long-term approaches aim to control or eliminate the abnormal heart rhythm associated with A-Fib.