arterial oxygen saturation
asian
blood oxygen saturation
body parts
care
chinese
clinic
closeup
countermeasures
device
doctor
elderly
faceless
finger
fingertip
health care
heart rate
home
hospital
illness
intensive treatment room
korean
male
man
measurement
medical
medical worker
medicine
middleaged
monitor
monitoring
new type
nurse
nursing home
old man
oxygen
oxygen saturation
patient
pneumonia
prevention
pulse
pulse oximeter
pulse rate
senior
small size
sudden change
taiwanese
treatment
vital sign
welfare