| HCSS | hypersensitive carotid sinus syndrome |
|---|---|
| ICSO | intermittent coronary sinus occlusion |
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |
| LCS | cerebrospinal fluid [Lat. liquor cerebrospinalis]; left coronary sinus; life care service; low const... |
| MCS | malignant carcinoid syndrome; managed care system; massage of the carotid sinus; mesocaval shunt; me... |