ambulance
analysis
artery
attack
background
beat
beating
cardio
cardiogram
cardiograph
cardiology
chart
clinic
curve
diagnosis
disease
down
drawing
emergency
examine
fit
frequency
graph
graphic
health
heartbeat
ill
illness
infarct
line
macro
measurement
medicals
medicine
mesh
number
paper
pattern
peak
pulse
record
red
result
sick
sickness
technology
up
wave
white