Acronyms & abbreviations

T T&A Tonsillectomy and adenoidectomy T1, T2, and so on first thoracic vertebra, second and so on thoracic vertebra, and so on T3 Triiodothyronine (thyroid hormone) T4 Thyroxine (thyroid hormone)...

S ¯s without S1, S2, and so on first sacral vertebra, second sacral and so on vertebra, and so on SA, S-A Sinoatrial SaO2 Arterial Oxygen Saturation SD Shoulder disarticulation...

Q qAM* every morning q.2h.* every 2 hours q.d.* every day qEEG quantitative electroencephalography q.h.* every hour q.i.d.* four times a day q.o.d.* every other day qPM* every evening R...

P P Phosphorus; pulse ¯p after PBI Protein-bound iodine PCO2 Partial pressure of carbon dioxide PID Pelvic inflammatory disease PA Posteroanterior; pernicious anemia; pulmonary artery PAC Premature atrial contraction Pap...

O O2 Oxygen OB Obstetrics OCPs Oral contraceptive pills OD Overdose O.D. Doctor of Optometry OD* right eye OM Otitis media OP Outpatient; operative procedure ORTH, Ortho orthopedics OS* left...

N Na sodium (an electrolyte) NB Newborn NCV Nerve conduction velocity NG Nasogastric NIDDM Non–insulin-dependent diabetes mellitus NIHL Noise-induced hearing loss NK cell Natural killer cell NMT Nebulized mist treatment...

M MCH Mean cell hemoglobin (average amount of hemoglobin per red cell) MCHC Mean cell hemoglobin concentration (average concentration of hemoglobin per red cell) MCV Mean cell volume (average volume...

K K Potassium (an electrolyte) KD Knee disarticulation KUB Kidney, ureter, bladder L L1, L2, and so on first lumbar vertebra, second and so on lumbar vertebra, and so on...

I IAS Interatrial septum IBD Irritable bowel disease I&D Incision and drainage IBS Irritable bowel syndrome ICD Implantable cardioverterdefibrillator ICP Intracranial pressure ICU Intensive care unit ID Intradermal IDDM Insulin-dependent...

H HAV Hepatitis A virus Hb, Hgb Hemoglobin HBV Hepatitis B virus HCG Human chorionic gonadotropin HCl Hydrochloric acid HCT, Hct Hematocrit HCV Hepatitis C virus HD Hemodialysis; hip disarticulation;...