A&D
admission and discharge
ā
before
A&P
anterior and posterior, anatomy and physiology
āā
of each
Ab
abortion
abd
abdomen, abdominal
ABG
arterial blood gas
ac
before meals
ACTH
adrenocorticotrophic hormone
ADH
antidiuretic hormone
ad lib
As desired
ADL
activities of daily living
adm
admission
AHA
American Hospital Association
AIDS
aquired immune deficiency syndrome
am, AM
morning, before noon
AMA
American Medical Association, against medical advice
amal
amalgam
amb
ambulate, walk
amt
amount
ANA
American Nurses’ Association
ANS
autonomic nervous system
ant
anterior
AP
apical pulse