| IHS | 1) International Headache Society 2) Intelligent Hospital System |
|---|---|
| IHS | idiopathic hypereosinophilic syndrome; inactivated horse serum; Indian Health Service; integrated health system; International Headache Society; International Health Society |
| IHSA | iodinated human serum albumin |
| IHSC | immunoreactive human skin collagenase |
| IHSS | idiopathic hypertrophic subaortic stenosis |
| IHSS(= HCMP) | Idiopathic Hypertrophic Subaortic Stenosis = Obstructive Idiopathic Hypertrophic Cardiomyopathy - CIx 1. Diuretics 2. Nitrates 3. β-Agonist(Stimulant) 4. Digitalis |