aid
alert
alertness
arrhythmias
assistance
backdrop
background
beating
cardiac
cardiogram
care
clinic
clinical
concept
danger
deat
disease
ecg
ekg
emergency
examination
graph
graphic
health
healthcare
heart
heartbeat
hospital
medical
medicare
medicine
monitoring
paper
pulsating
pulse
service
stethoscope
stopping
technology
test
trace
urgent
ward
warning
wave