| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipopro... |
|---|---|
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
| ACD | absolute cardiac dullness; absolute claudication distance; acid-citrate-dextrose [solution]; actinom... |
| MDS | Myelo-Dysplastic Syndrome = Refractory (Dysmyelopoietic) Anemia = (Id... |
| AERP | antegrade effective refractory period; atrial effective refractory period |