英文關鍵字
background
beat
blood
cardiac
cardiogram
cardiology
care
diagnosis
ecg
electrocardiogram
emergency
footage
frequency
graph
graphic
green
health
healthcare
healthy
heart
heartbeat
hospital
illustration
life
line
loop
loopable
medical
medicine
monitor
monitoring
motion
pulse
rate
rhythm
screen
technology
test
vector
video
wave