AAA
Abdominal Aortic Aneurysm
AB
Abortion
Ab
Antibody
ABC
Aspiration, biopsy, cytology
abd
abdomen
ABG
arterial blood gas
a.c., ac
before meals (ante cibum)
ACE
angiotensin-converting enzyme (ACE inhibitors treat hypertension)
ACL
anterior cruciate ligament of the knee
ACS
acute coronary syndrome (myocardial infarction, unstable angina)
ACTH
adrenocorticotropic hormone (secreted by the pituitary gland)
AD
Alzheimer's disease
ADD
attention deficit disorder
ADH
antidiuretic hormone (secreted by the pituitary gland)
ADHD
attention deficit hyperactivity disorder
ad lib
freely as desired (ad libitum)
AED
automated external defibrillator
AICD
automatic implantable cardioverter-defibrillator
AIDS
acquired immune deficiency syndrome
alb
albumin (protein)
ALL
acute lymphocytic leukemia
alk phos
alkaline phosphatase (enzyme elevated in liver disease)
ALS
amyotrophic lateral sclerosis (Lou Gehrig disease)
ALT
alanine aminotransferase (enzyme elevated in liver disease); formerly called SGPT
AMI
acute myocardial infarction
AML
acute myelocytic (myelogenous) leukemia
ANA
antinuclear antibody; test for rheumatoid arthritis
AP or A/P
anteroposterior (front to back)
A&P
auscultation and percussion
aq
water (aqua)
ARDS
acute respiratory distress syndrome
AS
aortic stenosis
ASD
atrial septal defect
ASHD
arteriosclerotic heart disease
AST
aspartate transaminase (elevated in liver and heart disease); formerly called SGOT
AV
arteriovenous; atrioventricular
A&W
alive and well
BE
barium enema
B cells
white blood cells (lymphocytes) produced in bone marrow
b.i.d., bid
twice a day (bis in die)
BM
bowel movement; bone marrow
BMT
bone marrow transplant
BP, B/P
blood pressure
BPH
benign prostatic hypertrophy (hyperplasia)
bronch
bronchoscopy
bs
blood sugar; bowel sounds; breath sounds
BSE
breast self-examination
BSO
bilateral salpingo-oophorectomy
BUN
blood urea nitrogen (test of kidney function)
BW
birth weight
Bx, bx
biopsy
c
with (cum)
C1,C2
first cervical vertebra, second cervical vertebra
CA
cancer; carcinoma; cardiac arrest; chronologic age
Ca
Calcium
CABG
coronary artery bypass graft
CAD
coronary artery disease
CAPD
continuous ambulatory peritoneal dialysis
cap
capsule
cath
catheter; catheterization
CBC
complete blood count
cc
cubic centimeter (1cc=1ml)
CC
chief complaint
CCU
coronary care unit; critical care unit
CF
cystic fibrosis
chemo
chemotherapy
CHF
congestive heart failure
chol
cholesterol
CIN
cervical intraepithelial neoplasia
CIS
carcinoma in situ
CKD
chronic kidney disease
cm
centimeter (1cm=1/100meter)
CLL
chronic lymphocytic leukemia
CML
chronic myelocytic (myelogenous) leukemia
CMP
comprehensive metabolic panel
CNS
central nervous system (brain and spinal cord)
c/o
complains of
CO2
carbon dioxide
COPD
chronic obstructive pulmonary disease
COVID-19
Coronavirus disease 2019
CP
cerebral palsy; chest pain
CPAP
continuous positive airway pressure (provided by machine to aid breathing in patients with sleep apnea)
CPD
cephalopelvic disproportion
CPR
cardiopulmonary resuscitation
C&S, C+S
culture and sensitivity (testing)
C-section, CS
cesarean section
CSF
cerebrospinal fluid
CT scan
computed tomography scan (x-ray images in cross-sectional view)
CTE
chronic traumatic encephalopathy
CVA
cerebrovascular accident
c/w
compare with; consistent with
CX, CXR
chest x-ray (image)
Cx
cervix
cysto
cystoscopy
D&C
dilation (dilatation) and curettage (of the uterine lining)
DES
diethylstilbestrol (estrogen causing defects in children who's mother's took the drug during pregnancy)
DEXA (DXA)
dual-energy x-ray absorptiometry
DIC
disseminated intravascular coagulation
diff.
differential (percentages of types of white blood cells)
DJD
degenerative joint disease