Wandering atrial pacemaker

Background
  • Three or more ectopic foci within the atrial myocardium serve as the pacemaker
  • Rate is less than 100bpm (in contrast to MAT)
  • Is irregularly irregular therefore sometimes confused with atrial fibrillation and sinus arrhythmia

Clinical Features


Differential Diagnosis


Evaluation

Workup
  • ECG
    • Will show three distinct P wave morphologies with a ventricular rate <100bpm

Management


Disposition


See Also


References
    This article is issued from Wikem. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.