Assertion: pacemaker | /r/CapableOf | help the heart
Facets:
value: in cases of slow heart rate
type: TEMPORAL
Source sentences:
text: A pacemaker is a small, battery-operated device that helps the heart maintain a steady beat when its natural electrical system malfunctions.
text: Pacemakers can help pace the heart in cases of slow heart rate, fast and slow heart rate, or a blockage in the heart’s electrical system.