Paradoxic Embolism Due to Altered Hemodynamic Sequencing Following Transvenous Pacing
- 1 April 1991
- journal article
- case report
- Published by Wiley in Pacing and Clinical Electrophysiology
- Vol. 14 (4), 499-503
- https://doi.org/10.1111/j.1540-8159.1991.tb02820.x
Abstract
A young patient, who experienced a cerebral embolic event 30 days after transvenous pacemaker lead placement, is reported. This patient had previously been paced with an epicardial lead without evidence of right to left intracardiac shunt. However, hemodynamic evaluation post-embolism demonstrated a marked temporal disparity of the pulmonary and systemic ventricles. This phasic divergence resulted in a brief reversal of right and left ventricular pressure ratios, and a paradoxic intracardiac shunt at a small ventricular septal defect. The potential for similar events in the presence of any defect of the atrial or ventricular septum mandates caution in the use of transvenous pacemaker leads in such patients.Keywords
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