abstract
analysis
beat
blood
cardiac
cardiology
care
chart
curve
design
diagnosis
display
effort
electrocardiogram
emergency
equipment
graph
graphic
health
healthy
heart
heartbeat
hospital
icon
illustration
life
line
medical
medicine
monitor
neon
patient
power
pulse
rate
red
rhythm
scope
screen
sign
signal
stress
surveillance
symbol
technology
test
vitality
wave