| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior diameter; antipsychotic drug; atrial premature depolarization; autoimmune progesterone dermatitis; automated peritoneal dialysis |
|---|---|
| APDER | anterior-posterior dual energy radiography |
| APDI | Adult Personal Data Inventory |
| APDIM | Association of Program Directors in Internal Medicine |