Acronym |
Definition |
| A | Aedes |
| A | Argon |
| A | Ancyclostoma |
| A | Ascaris |
| A | Accelerations |
| A | Anal |
| A&B | Apnea and Bradycardia |
| A&I | Allergy and Immunology |
| A&O | Alert and Oriented |
| A&O | Alert and Orientated |
| A&O | Aware and Oriented |
| A&O or A/O | aware and oriented or alert and oriented |
| A&O x4 | Alert & Oriented, Times 4 (to person, place, time, and circumstances) |
| A&Ox3 | alert and oriented, times 3 (to person, place, and time) |
| A-M | Artery-to-Muscle |
| A-T | Ataxia-telangiectasia |
| A.A | Amino Acids |
| a.a. | of each (from Latin ana ana) |
| A.A.E.M.P.G. | American Academy of Emergency Medicine Physician Group |
| a.c. | before a meal (Latin ante cibum) |
| a.d. | right ear (Latin auris dexter) |
| a.p. | before a meal (Latin ante prandium |
| A/N | Anti Natal |
| A1AT | alpha-1-antitrypsin |
| A2 | Angiotensin 2 |
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