Glossary of Terms

This glossary of terms is meant to help everyone understand medical words. It is a place to quickly find information on medical words.

To find a word or term begin by clicking on a letter in the A-Z list. Then you can browse down the list to find the word you want. You can also type your medical word in the search box in the upper right corner and then click on the little magnifying glass.

This glossary is for information only. It should never be used instead of advice from a healthcare provider.

If you have questions or comments about the Glossary of Terms please let us know.

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radiation

energy, rays, waves, heat

radiofrequency ablation

the use of electrodes to generate heat and destroy abnormal tissue, such as cancer cells

a medical procedure in which part of the electrical conduction system of the heart, tumor or other dysfunctional tissue is ablated using the heat generated from an electrical current. It is generally conducted in the outpatient setting, using either local anesthetics or conscious sedation anesthesia.

radiographer

healthcare professional who takes images (such as x-rays) of your body when you are sick

x-ray technologist or medical radiation technologist

radiography

 using X-rays to view the internal structures of your body

radioisotope

special medication, radioactive tracer

radiologist

x-ray doctor

medical doctor who specializes in diagnosing and treating disease and injury by using medical imaging, such as x-rays

doctors who have trained in the specialty of radiology, having the ability to interpret and diagnose/treat a pathological condition or medical situation appearing on an x-ray image. Some radiologists specialize in specific areas of diagnosis and imaging i.e. ultrasound, CT & MRI neurology, chest, bone, or interventional procedures.

radiology

x-ray department

rampant

out of control, unchecked

rapid assessment zone

an area in the emergency department where patients are assessed on stretchers and then transferred to a chair while their care continues

rationale

reason, purpose

raynaud's syndrome

a disease of your blood vessels, usually in your fingers and toes

reaction

a response, reply

receive

get

recipient

person who gets something

recognize

accept, know, see

recombinant

a new gene combination

recover

get better

recuperate

get better

recur

comes back, happens again

reduce

lower

redundant

not needed

reflux nephropathy

kidney damage due to urine flowing backward (reflux) from the bladder toward your kidneys

condition in which your kidneys are scarred because of an abnormal flow of urine from the bladder backwards into the kidney

regarding

about

regimen

plan, program

registered nurse (RN)

a healthcare provider who treats patients and provides advice and emotional support to them and their families

a nurse who has graduated from a nursing program allowing for depth and breadth of foundational knowledge in the areas of clinical practice, decision-making, critical thinking, leadership, research utilization and resource management. They have met the requirements outlined by a province or similar licensing body to obtain a nursing license. An RN's scope of practice is determined by legislation, and is regulated by a professional body or council

registered practical nurse (RPN)

nurses who have graduated from a community college nursing program

RPNs are health care professionals. They combine nursing skill, knowledge and judgment and are experts of nursing care in various sectors of healthcare. There are areas of overlap between the two categories, but there are differences as well. These differences are based on entry-level and ongoing nursing knowledge and competencies.

regulation

rule, law

rehabilitate

get better, restore, improve

rehabilitation

care or treatment to improve your health or functioning

reinforce

make stronger, brace, support

reiterate

repeat, say again

relief

feel better, ease, not as bad

relieve

ease, smooth, rest

remission

when a disease is not active

renal artery

major blood vessel that takes blood to the kidneys for cleaning

 

renal pelvis

funnel-like hollow area in the centre of your kidney that collects urine from your kidney and takes it to your ureter

renal replacement therapy (RRT)

treatment, such as dialysis or kidney transplant, to replace your kidneys when they aren't working

renal vein

blood vessel that takes freshly cleaned blood from the kidneys to send it to the rest of your body

renin

a hormone made by your kidneys. It helps control your blood pressure.

repsite

rest, relief, break from

require

need

requirements

needs, regulations

rescind

take back, cancel

resemble

look like

reside

be in, live in

residual

what is left over

the amount of food remaining in the stomach from the previous feeding

respiratory rate

measure of how fast you are breathing

In children the monitor tracks it from abdominal "belly" and chest movement. The health care team will also watch, look and listen to your child's breathing.

respiratory syncytial virus (RSV)

a common cause of colds and bronchiolitis (lung infection) in infants and children

respiratory therapist (RT)

breathing therapist

healthcare professionals who care for patients by helping your heart and lungs be healthy

healthcare professional who has graduated from an approved respiratory therapy training program and is qualified to provide respiratory care under the supervision of a physician. The respiratory therapist plays an important role in the NICU/Pediatrics by monitoring the function of all devices that support breathing, deliver oxygen and deliver respiratory medications.

respond

answer, react

restorative

making a person feel healthy and strong again

restrain

hold back, stop

resuscitation

The process of correcting disorders such as lack of breathing or heartbeat in a critically ill patient, with the goal of saving lives. When possible, talk with your health-care provider about what you want or don’t want to be done when it comes to saving your life. (See Life Sustaining Measures).

retain

keep

retinopathy of prematurity (ROP)

disease that can happen in premature babies. It causes abnormal blood vessels to grow in the retina (the layer of nerve tissue in the eye that makes it so we can see). This growth can cause the retina to detach from the back of the eye, leading to blindness

 

review

go over, check

reye's syndrome

brain disease in children

rheumatoid arthritis (RA)

joint disease

rheumatologist

joint, immune system and bone doctor

rheumatology

study of joints, the immune system and bones

risk

chance

risk reduction

lowering the chance of something happening

rooming-in

when a newborn stays in the same room as their mother rather than staying in the hospital nursery

rotavirus

germ that causes stomach flu

rubella

German measles

also called German measles, rubella is a highly contagious viral disease. It can start with a mild red rash. It can cause serious birth defects in a fetus if a pregnant woman gets rubella. Women who haven't had it should make sure they're immunized before conception.

rubeola

measles

rupture

break, burst

rupture of membranes

when your "water breaks"

the bursting of the sac holding the amniotic fluid, usually a sign that labour will soon begin or has already begun