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A:
Assessment
ABI
acquired brain injury
afib
atrial fibrillation
A line
Atrial line
AAA
Abdominal aortic aneurysm
AAROM
Active assistive range of motion
Abd or abd
Abduction
ABG
Arterial blood gasses
ac
Before meals
AC joint
Acromioclavicular joint
ACTH
Adrenocorticotrophic hormone
ACL
Anterior cruciate ligament
Add or add
Adduction
ADL
Activities of Daily living
ad lib
At discretion
adm
Admitted; admission
AE
Above elbow
AFO
Ankle foot orthosis
AIDS
Acquired immune deficiency syndrome
AIIS
Anterior inferior iliac spine
AJ
Ankle jerk
AK
Above knee
ALS
Amyotrophic lateral sclerosis
A-V
Arteriovenous
a.m.
Morning
AMA
Against medical advice
amb
Ambulation; ambutating; ambulated
ANS
Antonomic nervous system
ant
Anterior
ARDS
Adult respiratory distress syndrome
ARF
Acute renal failure
AROM
Active range of motion
ASA
Aspirin
ASAP or asap
As soon as possible
ASCVD
Arteriosclerotic cardiovascular disease
ASHD
Arteriosclerotic heart disease
ASIS
Anterior superior iliac spine
assist.
Assistance; assistive
AVM
Arteriovenous malformation
AP
Anterior-posterior