| ALS | acute lateral sclerosis; advanced life support; afferent loop syndrome; amyotrophic lateral sclerosi... |
|---|---|
| AOCN | advanced oncology certified nurse |
| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior di... |
| APN | acute pyelonephritis; advanced practice nurse; average peak noise |
| ARNP | Advanced Registered Nurse Practitioner |