| ABCD | airway, breathing, circulation, differential diagnosis (or defibrillate) [in cardiopulmonary resusci... |
|---|---|
| ACD | absolute cardiac dullness; absolute claudication distance; acid-citrate-dextrose [solution]; actinom... |
| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior di... |
| A-PD | anteroposterior diameter |
| bisp | bispinous [diameter] |