Why the study?
Does intracavitary electrocardiography ensure proper placement of pacemaker electrode catheters in patients with heart block?
Does intracavitary electrocardiography ensure proper placement of pacemaker electrode catheters in patients with heart block?
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Intracavitary electrocardiography provides a simple technique to ensure proper right ventricular positioning of transvenous pacemaker catheters, preventing failure due to coronary vein malposition.
Transvenous cardiac pacing is now routinely used as therapy for heart block. As experience with transvenous pacing has increased, it has become apparent that a significant cause of pacemaker failure has resulted from malposition of the electrode catheter in the coronary veins. A simple technique ensures proper placement of the electrode catheter in the right ventricle by utilizing the intracavitary electrocardiogram.
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Gerald L. Evans (1971) studied this question.
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