aid
analysis
analyze
attack
awareness
beat
blood
cardio
cardiogram
cardiograph
cardiologist
cardiology
care
cellphone
chart
curve
diagnosis
ecg
ekg
electrocardiogram
electronic
emergency
frequency
healthcare
heart
heartbeat
hospital
icon
illness
illustration
measurement
medical
monitor
paramedic
patient
pressure
pulse
rate
rescue
rhythm
screen
signal
smartphone
stress
technology
test
wave