| SSS | Sick Sinus Syndrome = Tachycardia-Bradycardia Syndrome |
|---|---|
| CASRT | corrected adjusted sinus node recovery time |
| CNRT | corrected sinus node recovery time |
| CRST | calcinosis, Raynaud phenomenon, sclerodactyly, telangiectasia [syndrome]; corrected sinus recovery t... |
| CSBF | coronary sinus blood flow |