A Abbreviations
@
at
As soon as possible
ASAP
Aqueous, water base
aq, aqua
Ab
abortion
av
average
A&W
Alive and Well
Amount
amt
*AD
Right Ear
before meals
ac
a (with a line over top)
A&P
ANatomy & Physiology or Against Medical Advice
Aspirin
ASA
ad lib
as desired
*AS
Left ear
abd
abdomen, abdominal
AED
Automated Eternal Defibrillation
Advanced Cardiac Life Support
ACLS
Ax
Axilla, Axillary, Armpit
AP
apical pulse
amalgam
amal
ANS
Autonomic Nervous System
Both Ears
*AU
Arteriosclerotic Heart Discease
ASHD
ABG
Arterial Blood Gas
aa (with a line over both letters)
of each