| ASCOT | a severity characterization of trauma |
|---|---|
| ATI | abdominal trauma index |
| ATLS | acute tumor lysis syndrome; advanced trauma life support |
| ATS | Achard-Thiers syndrome; acid test solution; alpha-D-tocopherol acid succinate; American Thoracic Soc... |
| BAT | basic aid training; best available technology; blunt abdominal trauma; brown adipose tissue |