a patient
blood
clamp
clinic
closeup
cut
cutting
disease
doctor
ecg
electrocardiogram
emergency
equipment
forceps
foreground
gloves
green
group
hands
health
heart
heartbeat
hospital
innovation
kit
lungs
mask
medical
medicine
nurse
operating room
operation
people
person
pharynx
pneumonia
preparation
professional
staff
steel
sterilized
supplies
surgeon
syringe
table
thorax
tools
trachea
tweezers