Assertion: electrode | /r/AtLocation | the skin
Facets:
value: directly
type: MANNER
value: over the target muscle
type: LOCATION
value: in an ekg
type: LOCATION
Source sentences:
text: In an EKG, electrodes are placed on the skin to detect the heart's electrical activity.
text: It is a graph of voltage versus time of the electrical activity of the heart using electrodes placed on the skin.
text: It's comprised of a small patch attached to a lead, and it's placed directly on the skin over the target muscle.