| CSICU | cardiac surgical intensive care unit |
|---|---|
| CSN | cardiac sympathetic nerve; carotid sinus nerve |
| CST | cardiac stress test; cavernous sinus thrombosis; certified surgical technologist; chemostatin; Chris... |
| cTn-I | cardiac troponin I |
| CTU | cardiac-thoracic unit; centigrade thermal unit; constitutive transcription unit |