alarm
alert
arrest
attack
blue
bright
cardiac
cardiogram
cardiograph
computer
concept
conceptual
critical
death
diagnosis
digital
display
ecg
electronic
emergency
equipment
er
failure
flat
glow
graph
graphic
health
healthcare
heart
heartattack
heartbeat
illuminated
line
medical
monitor
pixel
pixellated
pulse
rate
screen
shape
signs
stop
technology
vital
warning