| AIDP | acute idiopathic demyelinating polyneuropathy |
|---|---|
| AIP | acute idiopathic pericarditis; acute infectious polyneuritis; acute intermittent porphyria; aldoster... |
| AIPFP | acute idiopathic peripheral facial nerve palsy |
| AISA | acquired idiopathic sideroblastic anemia |
| AITP | autoimmune idiopathic thrombocytopenic purpura |