Unit 6 Abbreviations
| Abbreviation | Meaning |
|---|---|
| ALS | amyotrophic lateral sclerosis |
| AU | both ears (Latin auris uterque) |
| AD | right ear (Latin auris dextra) |
| AS | left ear (Latin auris sinistra) |
| CNS | central nervous system |
| CSF | cerebrospinal fluid |
| CVA | cerebrovascular accident; stroke |
| EEG | electroencephalogram |
| EENT | eye, ear, nose, and throat |
| ENT | ear, nose, and throat |
| EMG | electromyogram |
| HEENT | head, eyes, ears, nose, and throat |
| ICP | intracranial pressure (not Insane Clown Posse) |
| IOL | intraocular lens |
| IOP | intraocular pressure |
| LASIK | laser-assisted in situ keratomileusis |
| LOC | level of consciousness |
| LP | lumbar puncture |
| MRA | magnetic resonance angiography |
| MRI | magnetic resonance imaging |
| MS | multiple sclerosis |
| OU | both eyes (Latin oculus uterque) |
| OD | right eye (Latin oculus dexter) |
| OS | left eye (Latin oculus sinistra) |
| PET | positron emission tomography |
| PERRLA | pupils are equal, round, reactive to light, and accommodate |
| PNS | peripheral nervous system |
| TIA | transient ischemic attack |
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