| ACLS | advanced cardiac life support; Assessment of Children's Language Comprehension |
|---|---|
| AEST | aeromedical evacuation support team |
| ALS | acute lateral sclerosis; advanced life support; afferent loop syndrome; amyotrophic lateral sclerosi... |
| ARIS | auto-regulated inspiratory support |
| ATLS | acute tumor lysis syndrome; advanced trauma life support |