| A | B |
| Ca | calcium |
| Ortho | orthopedics |
| TMJ | temporomandibular joint |
| RA | rheumatoid arthritis |
| ROM | range of motion |
| CT | computed tomography |
| EMG | electromyography |
| IM | intramuscular |
| ACL | anterior cruciate ligament |
| MRI | magnetic resonance imaging |
| CNS | central nervous system |
| EEG | electroencephalogram |
| CSF | cerebrospinal fluid |
| CVD | cerebrovascular disease |
| CVA | cerebrovascular accident (stroke) |
| MS | multiple sclerosis |
| TIA | transient ischemic attack |
| OD | oculus dexter (right eye) |
| OS | oculus sinister (left eye) |
| PERRLA | pupils equal |
| EENT | eyes |
| ENT | ears |
| OM | otitis media |
| CABG | coronary artery bypass graft |
| CCU | coronary care unit |
| ECG | EKG |
| MI | myocardial infarction (heart attack) |
| ECHO | echocardiogram |
| ASHD | arteriosclerotic heart disease |
| CHD | coronary heart disease |
| CHF | congestive heart failure |
| AIDS | acquired immunodeficiency syndrome |
| HD | Hodgkin’s disease |
| HIV | human immunodeficiency virus |
| CMV | cytomegalovirus |
| HSV | herpes simplex virus |
| COPD | chronic obstructive pulmonary disease |
| CXR | chest X-ray |
| ICU | intensive care unit |
| TB | tuberculosis |
| URI | upper respiratory infection |
| ABG | arterial blood pressure |
| GI | gastrointestinal |
| EGD | esophagogastroduodenoscopy |
| NG | nasogastric |
| TPN | total parenteral nutrition |
| TURP | transurethral resection of prostate |
| BPH | benign prostatic hypertrophy |
| UTI | urinary tract infection |
| UA | urinalysis |
| BUN | Blood urea nitrogen |
| ADH | antidiuretic hormone |
| IVP | intravenous pyelogram |
| PSA | prostate-specific antigen |
| PKU | phenylketonuria |
| BMR | basal metabolic rate |
| DM | diabetes mellitus |
| FBS | fasting blood sugar |
| IDDM | insulin-dependent diabetes mellitus (type 1 diabetes) |
| TSH | thyroid-stimulating hormone |
| ACTH | adrenocorticotropic hormone |
| GTT | glucose tolerance test |
| AB | abortion |
| AFP | alpha-fetoprotein |
| BSE | breast self-exam |
| D & C | dilation and curettage |
| GU | genitourinary |
| GYN | gynecology |
| STD | sexually-transmitted disease |
| C-section or CS | cesarean section |
| EDC | expected date of confinement (birth) |
| LMP | last menstrual period |