機器
background
blood
cardiac
care
check
clinic
closeup
device
digital
electronic
equipment
finger
fingertip
health
heartbeat
hemoglobin
level
measure
measurement
measuring
medic
medical
medicine
modern
monitor
monitoring
nobody
object
oximeter
oximetry
oxygen
oxymeter
pressure
pulse
rate
saturation
screen
stethoscope
technology
tool
vital
white