| ADG | ambulatory diagnostic group; atrial diastolic gallop; axiodistogingival |
|---|---|
| AE | above-elbow [amputation]; acrodermatitis enteropathica; activation energy; adult erythrocyte; advers... |
| AEG | air encephalography, air encephalogram; atrial electrogram |
| AEI | arbitrary evolution index; atrial emptying index |
| AERP | antegrade effective refractory period; atrial effective refractory period |