Medical terms starting with R

15 entries

• -rrhage, -rrhagiaBleeding, usually heavy.
• -rrheaFlow or discharge.
• RBCShort for red blood cell (erythrocyte). On a lab report it usually means the red cell count: how many are present in a…
• re-Again or back.
• recollectionCollecting a new specimen when the first was rejected or lost; contact the patient and document the reason.
• reference laboratoryAn outside laboratory to which specimens are referred for tests the collecting lab does not perform.
• reference rangeThe values expected for a test in healthy people, set by each laboratory for its own method; results are compared only…
• refluxBackflow of tube contents into the vein; keeping the arm angled downward while tubes fill prevents it.
• regulated wasteOSHA term for liquid blood or OPIM, items that would release blood if squeezed or are caked with it, and used sharps…
• requisitionThe test order, paper or electronic: patient name and identifiers, sex and age or birth date, ordering provider…
• reservoirThe home where a germ survives and multiplies, for example an infected patient, a carrier or contaminated equipment.
• respondeat superior"Let the master answer": an employer is liable for an employee's negligence within the scope of the job, such as a…
• retro-Backward or behind.
• Rh factorRed-cell antigen tested with the ABO type: people who have it are Rh-positive; those who lack it are Rh-negative.
• rolling veinA vein that slides away from the needle; anchoring the skin taut below the site holds it in place.