Assertion: pacemaker's wire | /r/AtLocation | the surface of the heart
Facets:
Source sentences:
text: The stimulus delivery system is made up of lead wires and electrodes, which can be located on the surface of the heart (epicardial electrodes), inside the muscle of the heart (intramyocardial electrodes), or within the cavity of the heart pressed against the lining (endocardial or intraluminal electrodes).4344