Pacing Options in the Adult Patient with Congenital Heart Disease - part 9 doc

... (univentricular heart) . Resting 12-lead ECG from the same patient in Figure 23.4, demonstrating dual chamber pacing. There is both sensing and pacing in the atrium. Ventricular pacing demonstrates ... following atrial, septal and apical single chamber right heart pacing in the young. PACE 199 7; 20: 198 3– 198 8. 52 Lieberman R, Grenz D, Mond H et al. Selective site...

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... [61]. Unless the pacing leads are to be positioned in traditional sites in structurally normal hearts, active-fixation pacing leads are preferable in patients with adult congenital heart disease requiring ... application in adults with congenital heart disease such as Ebstein’s anomaly or in patients, following the Mustard and Fontan [63] procedures. In th...

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... for myocardial dysfunction, including patients with congenital heart block, biventricular pacing did prove to be effective in improving symptoms and function [128, 1 29] . However, in patients with normal or ... of 80 90 ppm in patients with congenital long QT syndromes, with or without atrioventricular block [1 39 142]. This, together with intens- ive beta blockade wa...

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... passages in a review. First published 2007 1 2007 ISBN-13: 97 8-1 -4 05 1-5 56 9- 4 ISBN-10: 1-4 05 1-5 56 9- 8 Library of Congress Cataloging -in- Publication Data Mond, Harry G. Pacing options in the adult patient ... patient with congenital heart disease / Harry G. Mond, Peter P. Karpawich. p.;cm. Includes bibliographical references and index. ISBN-13:...

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... along an intact cephalic vein. Right: The cephalic vein is torn with pushing of the second lead into the subclavian vein. The vein is then invaginated into the subclavian vein enclosing the two ... occasion, the cephalicvein maybreak duringlead insertion. Ifthe two leads cause a very tight fit in the vein, it may, as a consequence, invaginate the vein into the subclavia...

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... difficulties intrying toachieve left ventricu- lar pacing. The incidence of this abnormality draining into the coronary sinus is about 3–5% of patients with structurally abnormal hearts [74]. In turn ... groups; congenital or adult onset [94 ]. In the adult onset form, the electrocardiograph may show varying degrees of bundle branch block in family members [78, 89, 95 97...

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... abnormal- ity of the heart and results from the normal fetal circulation persisting post natal. An incidence of 27% in otherwise normal hearts has been reported with the incidence falling with advancing ... cava draining into the coronary sinus. Failure of left superior cardinal vein regression, typically associated with absence of innominate vein development, allows for ven...

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... vein, then there will be a leftward axis similar to pacing from the cardiac apex (Figure 19. 6). In this position, the lateral chest x-ray helps confirm the car- diac venous pacing by demonstrating ... showing dual chamber pacing in a patient with Ebstein’s anomaly. The passive-fixation atrial lead lies in the atrial appendage. The passive-fixation right ventricular l...

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... ventricular pacing with dominant R waves from V1 to V4 (Figure 20.11). The axis is, however, dependent on the position of the lead in the leftventricle. The higher thelead in the chamber, the more prominent the ... of the great vessels. Two resting 12-lead ECGs of the single chamber pacing system shown in Figure 20.12 demonstrating left ventricular (LV) pacing...

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... al. Permanent pacing in patients with univentricular heart (Abstract). PACE 199 4; 17: 806. 251 Blackburn MEC, Gibbs JL. Ventricular pacing from the coronary sinus in a patient with a Fontan circulation. ... 29 31, 76 description, 29 bipolar dual chamber pacing, 20 biventricular pacing, 39 40 brachiocephalic (innominate)-superior vena caval junction, 34 bradyarrhythmias,...

Ngày tải lên: 14/08/2014, 07:20