| AIDS | Acquired immunodeficiency syndrome |
| AMI | acute myocardial infarction |
| ANS | autonomic nervous system |
| AV | atrial-ventricular |
| BM | bowel movement |
| BP | blood pressure |
| BPH | Benign prostatic hyperplasia |
| BS | blood sugar |
| BSA | body surface area |
| BUN | blood urea nitrogen |
| BW | body weight |
| C | centigrade |
| CA | cancer |
| CA | cardiac arrent |
| CBC | complete blood count |
| CHF | congestive heart failure |
| CMV | Cytomegalovirus |
| CNS | central nervous system |
| COPD | Chronic obstructive pulmonary disease |
| CV | cardiovascular |
| CVA | cerebrovascular accident |
| DC | discontinue |
| DI | diabetes insipidus |
| DOB | date of birth |
| DX | diagnosis |
| EC | enteric coated |
| EENT | eyes, ears, nose, throat |
| EKG, ECG | |
| ER | emergency room |
| GERD | Gastroesophageal reflux disease |
| GI | gastrointestinal |
| GYN | gynecology |
| H | hypodermic |
| HA | headache |
| HBP | high blood pressure |
| HCT | hematocrit |
| HDL | High density lipoprotein |
| HIV | Human Immunodeficiency virus |
| IH | Infectious hepatitis |
| IO, I/O | fluid intake and output |
| LDL | Low density lipoprotein |
| MDI | metered dose inhaler |
| MI | myocardial infarction |
| N&V | nausea and vomiting |
| NK | not known |
| NMT | Nebulized mist treatment |
| NPO | nothing by mouth |
| NVD | nausea, vomiting, and diarrhea |
| OD | overdose |
| OTC | over the counter |
| PUD | peptic ulcer disease |
| RBC | red blood count or red blood cell |
| RSV | Respiratory syncytial virus |
| SOB | shortness of breath |
| SZ | seizue |
| T | temperature |
| TB | Tuberculosis |
| TPN | total perenteral nutrition |
| U | units |
| UA | urinalysis |
| URI | upper respiratory infection |
| UTI | urinary tract infection |
| VD | venereal disease |
| VS | vital signs |
| WBC | white blood count or white blood cell |
| WT | weight |
| XX | female sex chromosome |
| XY | male sex chromosome |