Sinus bradycardia

Sinus bradycardia
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).