amplitude
background
beat
blue
cardiac
cardiology
care
chart
curve
ecg
ekg
electrical
electrocardiogram
examining
exercise
graph
graphic
graphical
health
healthcare
healthy
heart
heartbeat
hospital
human
life
medical
medicine
monitoring
myocardial
normal
patient
pattern
pulsating
pulse
recording
red
shape
sine
sinus
stress
technical
test
trace
vitality
wave
waveform