| ISI | infarct size index; initial slope index; injury severity index; Institute for Scientific Information... |
|---|---|
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| MCS | malignant carcinoid syndrome; managed care system; massage of the carotid sinus; mesocaval shunt; me... |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |