| A | B |
| AED | automated external defibrillator |
| a.c. | before meals |
| ASA | aspirin |
| AMA | against medical advice |
| b.i.d. | twice a day |
| BP | blood pressure |
| BS | blood sugar |
| c/o | complains of |
| Ca | cancer |
| cc | cubic centimeter |
| CC | chief complaint |
| CHF | congestive heart failure |
| CO | coronary occlusion/carbon monoxide |
| COPD | chronic obstructive pulmonary disease |
| CPR | cardiopulmonary resuscitation |
| CSF | cerebrospinal fluid |
| CVA | cerebral vascular accident |
| CXR | chest x-ray |
| d/c | discontinue/discharge |
| DM | diabete mellitius |
| DOA | dead on arrival |
| DOB | date of birth |
| Dx | diagnosis |
| ECG, EKG | electrocardiogram |
| e.g. | example |
| ETA | estimated time of arrival |
| ETOH | alcohol |
| Fx | fracture |
| GI | gastrointestinal |
| GSW | gun shot wound |
| gtt | drop |
| GU | genitourinary |
| GYN | gynecologic |
| h, hr | hour |
| H/A | hearing aid, headache |
| HEENT | head, ears, eyes, nose, throat |
| Hg | mercury |
| h/o | hour of |
| hs | at bed time |
| HTN | hypertension/high blood pressure |
| Hx | history |
| ICP | intracranial pressure |
| ICU | intensive care unit |
| IM | intramuscular |
| KVO | keep vein open |
| LAC | laceration |
| LOC | level of consciousness |
| mcg | microgram |
| NAD | no acute distress |
| NC | nasal cannula |
| NKA/NKDA | no known allergies/no known drug allergies |
| npo | nothing by mouth |
| NS | normal saline |
| NSR | normal sinus rhythm |
| NTG | nitroglycerine |
| N/V | nausea and vomitting |
| O2 | oxygen |
| OB | obstetrics |
| OD | right eye/overdose |
| OR | operating room |
| PCN | penicillin |
| PERL | pupils equal and reactive to light |
| po | by mouth |
| PRN | as needed |
| PSVT | paroxysmal supra-ventricular tachycardia |
| Pt | patient |
| PTA | prior to arrival |
| PVC | premature ventricular contraction |
| q.h. | every hour |
| q.i.d. | four times per day |
| R | rectal |
| r/o | rule out |
| Rx or Tx | prescription/treatment |
| SIDS | sudden infant death syndrom |
| SOB | shortness of breath |
| Stat | immediately |
| SVT | supraventricular tachycardia |
| TIA | transient ischemic attack |
| t.i.d. | 3 times a day |
| TKO | to keep vein open |
| V.S. | vital signs |
| X | times |
| w/o or s | without |
| WNL | within normal limits |
| y/o or y.o. | years old |