Surgical and Medication Terms for Patients

Medical Terms and Abbreviations

This list preserves the original terms and provides corrected spelling, grammar, and consistent capitalization for clarity.

INR
International Normalized Ratio; a system that reports the results of blood clotting tests and is used when patients take anticoagulant medication.
IM / IMI
Intramuscular injection; an injection given into the muscle.
liver disease
A disease that decreases liver function.
mane
In the morning (Latin medical abbreviation).
metabolism
Chemical processes in the body that break down substances to produce energy.
nocte
At night (Latin medical abbreviation).
orally
By mouth.
over-the-counter (OTC) medication
Medication that can be bought at a pharmacy without a prescription.
po
Per os; by mouth.
route
The manner in which a drug enters the body (e.g., oral, rectal, IV).
self-medication
To administer medication to oneself without a doctor’s prescription or advice.
side effects
Unwanted effects of a medication.
subcutaneous
Under the skin.
ambulation
Walking.
anaesthesia
A drug that causes the loss of the ability to feel pain.
anticoagulant
A substance that prevents the clotting of blood.
anti-embolic stockings
Stockings that prevent the formation of DVT; also called TED (Thrombo-Embolism Deterrent) stockings.
antiseptic wash
Liquid soap that inhibits the growth of micro-organisms.
appendicectomy
Surgical removal of the appendix.
blood clot
A collection of fibrin, platelets, red blood cells, and white blood cells.
bowel prep
Preoperative evacuation of the contents of the bowel using laxatives and/or enemas.
cholecystectomy
Surgical removal of the gallbladder.
clear fluids
Any transparent fluids (e.g., apple juice, water, black tea, or black coffee).
coagulation
The process of changing from a liquid to a gel or solid state by a series of chemical reactions; often used to describe the formation of a blood clot.
colonoscopy
Inspection of the colon using an endoscope inserted through the rectum.
consent form
A legal document signed by patients to give consent for a procedure or operation.
DVT
Deep vein thromboses; formation of a blood clot in the deep veins, usually those in the legs.
drain
A tube used to remove blood or other fluids from a wound.
embolism
Sudden blocking of an artery by an embolus.
embolus
A blood clot that breaks off the wall of a blood vessel and moves in the circulatory system.
endoscope
An instrument with a rigid or flexible tube used to view internal structures, take photographs, take biopsies, and remove foreign objects.
heparin
A substance that slows blood clotting.
heparin sodium
An injectable anticoagulant used to prevent DVTs.
keyhole surgery
A surgical technique using small incisions in the abdomen to perform surgery; also called laparoscopic surgery or minimally invasive surgery.
laparoscope
A telescopic instrument usually connected to a video camera, fibre-optic cable, and cold light source so that the operative area can be viewed.
lock-out time
The time programmed into a PCA pump to limit dosing and help prevent patient overdose.
Nil By Mouth (NBM)
No food or fluids to be taken by mouth.
orthopaedic
The correction of abnormal bone structures.
pre-med
A medication given to relax the preoperative patient.
to prep a patient
To prepare a patient for a procedure or operation.
PE
Pulmonary embolism; a condition caused by emboli travelling through the circulation to the lungs and blocking a pulmonary artery.
venodilation
Stretching or widening of the veins.
to void
To empty the bladder.
warfarin
An oral anticoagulant medication.
A&E
Accident and Emergency; also called Emergency Department (ED) or Casualty.
analgesia
Pain-relieving medication; also called painkillers.
anti-pyretic
A medication given to reduce fever.
GCS (Glasgow Coma Scale)
A neurological scale that assesses level of consciousness, scored out of a maximum of 15.
hypothermia
Low body temperature.
incision
A surgical cut.
inguinal hernia
A condition in which a loop of intestine protrudes into the inguinal canal.
intact dressing
A dressing that is secured and should not be removed until review.
multiple fractures
Several bones that are broken.
oxygen sats (SaO2)
A measure of how much oxygen the blood is carrying as a percentage of the maximum oxygen molecules the blood can carry.
to rate pain
To assess the severity of pain.
Recovery
The area near operating theatres where a patient recovers after an operation; also called PACU (Post Anaesthetic Care Unit).
splenectomy
Surgical removal of the spleen.
tonsillectomy
Surgical removal of the tonsils.
visceral
Relating to body organs, especially large abdominal organs.
visually impaired
Partially sighted or blind.
wound closure
The method used to close a wound, e.g., sutures or clips.
zygoma
The cheekbone.