機器
background
blood
cardiac
cardiology
care
clinic
clinical
counter
device
display
doctor
electronics
equipment
exam
finger
hand
health
health care
heart
heart rate
heartbeat
hospital
instrument
level
measure
measurement
medical
medicine
modern
monitor
monitoring
oximeter
oximetry
oxygen
oxymeter
patient
people
person
pulse
rate
saturation
scientific
sensor
signs
technology
tool
vital