Assertion: pacemaker | /r/CapableOf | send small electrical impulses
Facets:
value: to maintain a suitable heart rate
type: PURPOSE
Source sentences:
text: A pacemaker is a device that sends small electrical impulses to the heart muscle to maintain a suitable heart rate or to stimulate the lower chambers of the heart (ventricles).
text: They can deliver either small electrical pulses or larger jolts as needed.
text: A pacemaker is a device that sends small electrical impulses to the heart muscle to maintain a suitable heart rate or to stimulate the lower chambers of the heart (ventricles).