Sinus bradycardia

Sinus bradycardia
An ECG showing sinus bradycardia at 43 bpm. The image is made up of a red grid on a white background. A black line traces the patients heart beat.
ECG of Sinus bradycardia with a heart rate of 43 bpm.
SpecialtyCardiology
Symptoms
  • lightheadedness
  • dizziness
  • hypotension
  • vertigo
  • syncope
Diagnostic methodelectrocardiogram

Sinus bradycardia is a sinus rhythm with a reduced rate of electrical discharge from the sinoatrial node, resulting in a bradycardia, a heart rate that is lower than the normal range (60–100 beats per minute for adult humans).[1][2]

  1. ^ Hafeez Y, Grossman SA (2020). "Sinus Bradycardia". StatPearls. Treasure Island (FL): StatPearls Publishing. PMID 29630253. Retrieved 2020-07-27.
  2. ^ "Sinus Bradycardia". Cedars-Sinai. Retrieved 2020-07-28.