A
Asian
AA
Alcoholic anonymous
AAA
Abdominal aortic aneurysm
A2
Aortic component of second heart sound
A-aDO2
Alveolar arterial O2 difference of each
AAROM
Active assisted range of motion
AB, ab
Abortion
abd
Abdominal
abd.gr.
Abdominal girth
ABG
Arterial blood gas
ABLA
Acute blood loss anemia
AC
Acromo-clavicular
ac
Before meals (ante cibum)
ACE inhibitor or ACEI
Angiotensin- converting enzyme inhibitors
AC joint
Acromioclavicular joint
ACL
Anterior cruciate ligament
ACLS
Advanced cardiac life support
ACS
Acute coronary syndrome
ACTH
Adrenocorticotrophic hormone
Activ.
Activity
ACV
Assist control ventilation
add
Addiction
ADH
Antidiuretic hormone
ADHF
Acute diastolic heart failure