| AFF | atrial fibrillation; atrial filling fraction; atrial flutter |
|---|---|
| APB | Atrial Premature Beat |
| AE | above-elbow [amputation]; acrodermatitis enteropathica; activation energy; adult erythrocyte; advers... |
| APB | abductor pollicis brevis; atrial premature beat |
| PAB | para-aminobenzoate; performance assessment battery; pharmacologic autonomic block; poly(A)-binding [... |