References:
- Sick Sinus Syndrome - (https://www.hrsonline.org/Patient-Resources/Heart-Diseases-Disorders/Sick-Sinus-Syndrome)
- Sick Sinus Syndrome: A Review - (https://www.aafp.org/afp/2013/0515/p691.html)
- What is Sick Sinus Syndrome? - (http://www.texasheart.org/HIC/Topics/Cond/sicksinus.cfm)
- About Sick sinus syndrome - (https://ghr.nlm.nih.gov/condition/sick-sinus-syndrome)
Editor: Dr. Lakshmi Venkataraman
Technically Checked by: Lingaraj