above
blood
cardiology
care
close
copy
device
display
doctor
electronics
equipment
finger
from
hand
hands
health
heart
heartbeat
help
hemoglobin
horizontal
hospital
indoors
level
measuring
medical
medicine
monitoring
numbers
old
oximeter
oxymetry
patient
person
persons
physician
pulse
red
resuscitation
saturation
space
technology
tests
two
unrecognizable
up
using
woman
women
young