Wandering atrial pacemaker: Difference between revisions

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



Revision as of 05:04, 11 February 2021

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