| IADSA | intra-arterial digital subtraction angiography |
|---|---|
| IDISA | intraoperative digital subtraction angiography |
| IVA | intraoperative vascular angiography; isovaleric acid |
| IVDSA | intravenous digital subtraction angiography |
| JSAIR | Japanese Society of Angiography and Interventional Radiology |