Table 1.

MEDLINE search strategy.*

Search terms	Results
1. Arrhythmia (All Fields)	240,499
2. Atrial fibrillation (All Fields)	77,853
3. 1 OR 2	259,607
4. Thyroid cancer (All Fields)	75,780
5. Thyroid neoplasm (All Fields)	67,461
6. Thyroid carcinoma (All Fields)	71,642
7. 4 OR 5 OR 6	78,956
8. Exp animals/not humans.sh.	263,760
9. 3 AND 7 NOT 8	187
10. Atrial fibrillation (Mesh)	55,914
11. Thyroid neoplasms (Mesh)	52,823
12. 10 AND 11	25

*Via Pubmed, performed on 5 December 2019.