A
assessment
AAA
abdominal aortic aneurysm
AAROM
active assistive range of motion
Abd. or abd.
abduction
ABG
arterial blood gas
ABI
acquired brain injury
ac
before meals
AC
acromioclavicular
ACL
anterior cruciate ligament
ACTH
adrenocorticotropic hormone
Add. or add.
adduction
ADL’s or ADL
activities of daily living
ad lib
at discretion
adm
admission/ admitted
AE
above elbow
afib
atrial fibrillation
AFO
ankle foot orthosis
AIDS
acquired immune deficiency syndrome
AIIS
anterior inferior iliac spine
AJ
ankle jerk
AK
above knee
AKA
above the knee amputee, above the knee amputation
ALS
amyotrophic lateral sclerosis
a.m.
morning