The A to Z of Anatomical Histological and Medical terms
Anatomical, Medical and Clinical Abbreviations
and Acronyms in common use
A
ARF = acute renal failure
AA = amino acids / androgenic
AS = aortic stenosis
alopecia
AS = Alternative spelling, generally
AAA = abdominal aortic aneurysm
referring to the differences b/n
AAD = antibiotic-associated diarrhoea
British and American spelling
AAO = alert, awake, and orientated
ASAP = as soon as possible
A&O = alert & orientated
ASCVD = atherosclerotic cardiovascular
Ab = antibody
disease
ABD/Abd = abdomen
ASD = atrial septal defect
ABG = arterial blood gas
ASHD = atherosclerotic heart disease
AC = before eating
AST = anal skin tag
ACD = acute contact dermatitis
AV = atrioventricular
ACLS = advanced cardiac life support
A-V = arteriovenous
ACTH = adrenocorticotropic hormone
A-VO2 = arteriovenous oxygen
ad libitum/ad lib = take as needed / no
restrictions
B
ADD = attention deficit disorder
b/n = between
ADH = anti-diuretic hormone
BBB bundle branch block /blood brain
ADHD = attention deficit hyperactivity
barrier
disorder
BCAA = branched chain amino acids
adj. = adjective
BCC = basal cell carcinoma
ADR = adverse drug reaction / acute
bd/bid = twice a day
dystonic reaction
BD = Bowen’s disease / twice daily
AED = antiepileptic drug
BE = barium enema
AF = atrial fibrillation / afebrile
BEE = basal energy expenditure
AFB = acid-fast bacilli
BF = blood flow
AFP = alpha-fetoprotein
BKA = below the knee amputation
AFX = atypical fibroxanthoma
BLK = benign lichenoid keratosis /
A /G = albumin/globulin ratio
benign lymphocytic keratosis
Ag = antigen
BL = basal lamina
AI = aortic insufficiency
BM = bone marrow /bowel
AK = actinic keratosis
movement/basement membrane
AKA = above the knee amputation
BMR = basal metabolic rate
ALD = alcoholic liver disease
BOM = bilateral otitis media
ALL = acute lymphocytic leukaemia
BP = blood pressure / bullous
alt. = alternative
pemphigoid
Amb = ambulate
BPH = benign prostatic hypertrophy
AML = acute myelogenous leukaemia
BPM = beats per minute
ANA = antinuclear antibody
BRBPR = bright red blood per rectum
ANS = autonomic nervous system
BRP = bathroom privileges
AOB = alcohol on breath
BS = bowel sounds / breath sounds /
AODM = adult onset diabetes mellitus
blood stream
AP = anteroposterior or abdominal -
BUN = blood urea nitrogen
perineal
BV = blood vessels
ARDS = acute respiratory distress
BW = body weight
syndrome
Bx = biopsy
3 © A. L. Neill
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