abstract
analysis
background
beat
blue
cardiac
cardio
cardiogram
cardiograph
cardiology
care
chart
curve
design
diagnosis
digital
disease
ecg
ekg
electrocardiogram
electrocardiograph
emergency
frequency
graph
graphic
health
healthy
heart
heartbeat
hospital
icon
illustration
life
line
medical
medicine
monitor
monitoring
pulse
rate
red
rhythm
shape
signal
symbol
technology
test
wave
white