American Heart Association. https://www.heart.org/en/health-topics/arrhythmia/why-arrhythmia-matters
Diakses pada 29 Mei 2019Harvard Health Publishing. https://www.health.harvard.edu/blog/resting-heart-rate-can-reflect-current-future-health-201606179806
Diakses pada 29 Mei 2019Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/heart-failure/symptoms-causes/syc-20373142
Diakses pada 29 Mei 2019MedlinePlus. https://medlineplus.gov/arrhythmia.html
Diakses pada 29 Mei 2019WebMD. https://www.webmd.com/heart-disease/atrial-fibrillation/afib-heart-failure#1
Diakses pada 29 Mei 2019