3d
abstract
amplitude
attack
background
beat
body
cardiac
cardiogram
cardiograph
cardiology
chart
curve
death
diagnosis
ecg
ekg
electrocardiogram
examining
graph
graphic
graphical
health
healthcare
healthy
heart
heartbeat
illustration
life
line
living
medical
medicine
monitor
monitoring
neon
normal
pattern
power
pulse
recording
rhythm
shape
stress
surveillance
technical
technology
trace
vitality
wave