| AMPAC | American Medical Political Action Committee |
|---|---|
| AP | accessory pathway; accounts payable; acid phosphatase; acinar parenchyma; action potential; active p... |
| APA | action potential amplitude; aldosterone-producing adenoma; Ambulatory Pediatric Association; America... |
| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior di... |
| BSAP | brief short-action potential; brief, small, abundant potentials |