I am not sure what they did with the blood...
Filtering blood from a patients body and making sure it is clean
Doctors need nurses at work to assist them in the care for patients. Nurses help patients feel comfortable, in some cases they can prescribe medication and they check blood pressure, take temperatures and carry out blood tests.
The leech.
So doctors (or nurses) can see the vain better
Leeches were and, perhaps, are still used to remove infected blood.
to determine whether a patient is at risk for cardiovascular disease.
Doctors diagnose patients by conducting physical examination, electrocardiogram or blood tests
Colonial girls
patients
Doctors will ask their patients about their general health and if the patients have any abdominal pains . To investigate further, doctors may look with a camera through the colon of the patients.
the people that doctors treat are called "Patients".
what they did was they cut people with special knives and took out blood that's what they thought would take out diseases.