Published in:
01-02-2006
Intraoperative Rhythm Analysis Using Pulmonary Venous Doppler: Importance of Atrioventricular Interval
Published in: Pediatric Cardiology | Issue 1/2006
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Inappropriate timing or duration of the atrioventricular (AV) interval with DDD pacing can lead to hemodynamic compromise. Intraoperative pulmonary venous Doppler interrogation by transesophageal echocardiography can be a valuable tool to assess subtle rhythm abnormalities that may go unnoticed by electrocardiogram and hemodynamic monitoring. We describe a dramatic example of hemodynamic improvement following pacemaker adjustment after pulmonary venous Doppler identified an inappropriately short AV interval.