| Abbreviation | Definition |
|---|---|
| ARPAC | Antibiotic Resistance Prevention And Control |
| ARPL | Additional Right Pectoral Lead |
| ARQL | Asthma Related Quality of Life |
| ARS | Acute Retroviral Syndrome |
| ARS | Atypical Rheumatic Syndrome |
| ARSA | arylsulfatase A |
| ARSD | Alcohol Related Spectrum Disorder |
| ART | Achilles tendon Reflex Test |
| ART | Adrenaline Response Training |
| ART | Anti-Retroviral Therapy |
| ART | ARTery |
| ART | Articulation |
| ART | ARTificial |
| ART | Assume Room Temperature |
| ARTH | Arthritic |
| ARTP | Association of Respiratory Technology Physiology |
| ARV | antiretroviral |
| ARV | Anti-RetroViral |
| ARV | Associative Remote Viewing |
| AS | Acoustic Stimulation |