Assertion: atrial fibrillation's heart rhythm | /r/HasProperty | heard through stethoscope
Facets:
Source sentences:
text: Atrial fibrillation causes an erratic heart rhythm that may sound like an extra heart sound is present when heard through a stethoscope.
text: Atrial fibrillation causes an erratic heart rhythm that may sound like an extra heart sound is present, when heard through a stethoscope.