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

Diagnosis

Management

Disposition

See Also

External Links

References