機器
adult
background
blood
cardiac
care
check
clinic
closeup
device
digital
electronic
equipment
female
finger
fingertip
hand
health
heartbeat
hemoglobin
level
light
measure
measurement
measuring
medic
medical
medicine
modern
monitor
monitoring
oximeter
oximetry
oxygen
oxymeter
patient
person
pressure
pulse
rate
saturation
technology
tool
using
vital
woman