Commonly Used Abbreviations By Doctors

AA - Alcoholics Anonymous; African American Aa - Alveolar Arterial gradient
AAA - Abdominal Aortic Aneurysm
AB - Antibody; also Abortion
ABD - Abdomen
ABG - Arterial Blood Gas
ABI - Ankle Brachial Index
ABPA - Allergic Broncho Pulmonary Aspergillosis
ABX - Antibiotics
AC - Anterior Chamber; also Acromio-Clavicular and Before Meals
ACE-I - Angiotensin Converting Enzyme Inhibitor
ACL - Anterior Cruciate Ligament
ACLS - Advanced Cardiac Life Support
ACS - Acute Coronary Syndrome
AD LIB - As Desired
ADA - American Diabetes Association - Attention Deficit Disorder
ADE - Adverse Drug Effect
ADHD - Attention Deficit Hyperactivity Disorder
ADL - Activities of Daily Living
ADR - Adverse Drug Reaction
ADTP - Alcohol and Drug Treatment Program
AED - Automatic External Defibrillator; Anti-Epileptic Drug
AF - Atrial Fibrillation; Afebrile
AFB - Acid Fast Bacterium
AFP - Alpha Fetoprotein
AGN - Antigen
AI - Aortic Insufficiency
AIDS - Acquired Immuno-Deficiency Syndrome
AIN - Acute Interstitial Nephritis
AK - Actinic Keratosis
AKA - Above Knee Amputation
ALL - Allergies; also Acute Lymphocytic Leukemia
ALS - Amyotrophic Lateral Sclerosis; also Advanced Life Support
AMA - Against Medical Advice; American Medical Association
AMD - Aging Macular Degeneration
AMI - Acute Myocardial Infarction; Anterior Myocardial Infarction
A-MIBI - Adenosine MIBI