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All ECG 65

  1. Atrial flutter with a slow ventricular response
  2. Right bundle branch block

When atrial flutter is seen with such a slow ventricular response (in this case, 9:1 conduction), there is concern for underlying complete heart block should the patient be restored to normal sinus rhythm with a cardioversion. This is especially true if no AV blocking medications were being taken at the time of this ECG. For a complete review of atrial flutter including the types and determining rotation, click the Atrial Flutter Review below.

Related Topic Reviews: Atrial Flutter ECG Review