abstract
analysis
attack
background
beat
body
cardiogram
cardiograph
cardiology
care
chart
curve
death
diagnosis
disease
ecg
ekg
electrocardiogram
frequency
graph
graphic
grid
health
healthcare
healthy
heart
heartbeat
hospital
illustration
life
line
love
medical
medicine
monitor
monitoring
patient
pattern
pulse
rate
red
rhythm
romance
screen
signal
stress
valentine
vitality
wave