| SAN | sinoatrial node; sinoauricular node; slept all night; solitary autonomous nodule |
|---|---|
| TNM | primary tumor, regional nodes, metastasis [tumor staging]; thyroid node metastases; tumor node metas... |
| SNRT | Sinus Node Recovery Time |
| CASRT | corrected adjusted sinus node recovery time |
| CNRT | corrected sinus node recovery time |