Assertion: single chamber pacemaker | /r/CapableOf | use one lead
Facets:
value: in the upper chambers
type: LOCATION
Source sentences:
text: Single-chamber pacemakers use one lead in the upper chamber (atria) or lower chamber (ventricles) of the right side of the heart.
text: There are different types of pacemakers: single-chamber pacemakers use one lead in the upper chambers (atria) or lower chambers (ventricles) of the heart; whereas a dual-chamber pacemaker uses one lead in the atria and one lead in the ventricles.