activity
analysis
background
beat
blood
cardiac
cardiogram
cardiology
care
diagnosis
display
ecg
ekg
electrocardiogram
flat
frequency
graph
graphic
health
healthy
heart
heartbeat
hospital
human
icon
illness
illustration
life
line
medical
medicine
monitor
music
patient
play
pressure
pulse
rate
red
rhythm
sound
soundwave
stethoscope
symbol
technology
test
trace
wave