Common Medical Abbreviations and Acronyms

1. IR
   In Research
2. IR
   In Residence
3. IR/PS
   International Relations/Pacific Studies
4. IRA
   Individual Retirement Account
5. IRB
   Institutional Review Board
6. IRDS
   Infant Respiratory Distress Syndrome
7. IRIDA
   inherited iron-refractory iron deficiency anemia
8. IRIS
   Immune Reconstitution Inflammatory Syndrome
9. IRMA
   intraretinal microvascular abnormality
10. IRT
    Immunoreactive Trypsin
11. IS
    Intercostal Space
12. IS
    incentive spirometry
13. ISA
    Intrinsic Sympathomimetic Activity
14. ISCM
    Ischemic Cardiomyopathy
15. ISD
    Isosorbide Dinitrate
16. ISDN
    Isosorbide Dinitrate
17. ISH
    Isolated Systolic Hypertension
18. ISHD
    Ischemic Heart Disease
19. ISIS
    Integrated Student Information System
20. ISLD
    Interstitial Lung Disease

Last updated: May 2, 2025 — Total entries: 7,183