Sinus Bradycardia

Sinus bradycardia is a sinus rhythm with a resting heart rate below the normal rate.^[2]

• Sinus bradycardia is normally found in otherwise healthy young adults or sleeping patients.
• Some causes of sinus bradycardia may be related to increased vagal tone.

Diagnosis of Sinus Bradycardia on the ECG

1. Sinus Bradycardia [Online image]. (2013). Retrieved July 19, 2016, from http://www.practicalclinicalskills.com/ekg-reference-guide-details?lessonID=3
2. Sinus Bradycardia. (n.d.). Retrieved July 27, 2016, from http://lifeinthefastlane.com/ecg-library/sinus-bradycardia/
3. Sinus Bradycardia. (n.d.). Retrieved July 27, 2016, from http://www.practicalclinicalskills.com/ekg-reference-guide-details?lessonID=3
   1. Livingston, M. W. (n.d.). Sinus Bradycardia. Retrieved August 08, 2016, from http://emedicine.medscape.com/article/760220-overview#a5
4. MIT-BIH Arrhythmia Database. (1980). Retrieved June, 2016, from https://physionet.org/physiobank/database/mitdb/
5. Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG, Mietus JE, Moody GB, Peng C-K, Stanley HE. PhysioBank, PhysioToolkit, and PhysioNet: Components of a New Research Resource for Complex Physiologic Signals. Circulation101(23):e215-e220 [Circulation Electronic Pages;http://circ.ahajournals.org/cgi/content/full/101/23/e215]; 2000 (June 13).