Assertion: atrial fibrillation's heart rate | /r/RelatedTo | atrial fibrillation
Facets:
Source sentences:
text: In addition to the risk of stroke, the rapid heart rates associated with atrial fibrillation can lead to heart failure, or a condition called "tachycardia-mediated cardiomyopathy".
text: Occasionally, the rapid heart rate associated with atrial fibrillation can result in chest pain or discomfort (angina) because of reduced blood flow to the heart muscle.