| CSN | cardiac sympathetic nerve; carotid sinus nerve |
|---|---|
| CST | cardiac stress test; cavernous sinus thrombosis; certified surgical technologist; chemostatin; Chris... |
| CT | calcitonin; calf testis; cardiac tamponade; cardiothoracic [ratio]; carotid tracing; carpal tunnel; ... |
| cTn-I | cardiac troponin I |
| CTU | cardiac-thoracic unit; centigrade thermal unit; constitutive transcription unit |