| IAAA | inflammatory abdominal aortic aneurysm |
|---|---|
| IASA | interatrial septal aneurysm |
| ICA | Institute of Clinical Analysis; internal carotid artery; intracranial aneurysm; islet cell antibody |
| LVA | left ventricular aneurysm; left vertebral artery |
| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |