Assertion: circulatory system's heart | /r/CapableOf | skip beat
Facets:
Source sentences:
text: Let the doctor know if your child has any chest pain, trouble breathing, or dizzy or fainting spells; or if your child feels like the heart sometimes goes really fast or skips a beat.
text: An arrhythmia occurs when the heart beats too fast, too slow, or skips a beat.