| AERP | antegrade effective refractory period; atrial effective refractory period |
|---|---|
| AFib | atrial fibrillation |
| AFL | antifibrinolysin; artificial limb; atrial flutter |
| AG | abdominal girth; agarose; aminoglutethimide; analytical grade; anion gap; antigen; antiglobulin; ant... |
| AHR | antihyaluronidase reaction; Association for Health Records; atrial heart rate |
| PVARP | postventricular atrial refractory period |
|---|---|
| rANP | rat atrial natriuretic peptide |