Which conditions are included in the differential diagnosis of sinus node dysfunction (SND)?

Updated: Nov 30, 2018
  • Author: Bharat K Kantharia, MD, FRCP, FAHA, FACC, FESC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Answer

Conditions to consider in the differential diagnosis of sinus node dysfunction (SND) include the following:

  • Carotid sinus hypersensitivity

  • Neurocardiogenic syncope with a predominant cardioinhibitory component

  • Physiologic normal bradycardia, especially among highly conditioned athletes


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