Vectorcardiographic study and anatomic observations in 21 cases of Ebstein's malformation of the tricuspid valve

Bialostozky, David; Medrano, Gustavo A.; Muñoz, Luis; Contreras, Raul

doi:10.1016/0002-9149(72)90565-6

Cited by 28 publications

(13 citation statements)

References 8 publications

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“…61,62 T-wave inversion in leads V 1 to V 4 is common. 61,62 Deep Q waves may be present in leads II, III, and aVF. 61 These Q waves are thought to reflect fibrotic thinning of the right ventricular free wall and/or septal fibrosis with coexisting left posterior hemiblock.…”

Section: Ebstein's Anomalymentioning

confidence: 99%

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Clinical Use of Electrocardiography in Adults With Congenital Heart Disease

Khairy

Marelli

2007

Circulation

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Section: Ebstein's Anomalymentioning

confidence: 99%

“…61 These Q waves are thought to reflect fibrotic thinning of the right ventricular free wall and/or septal fibrosis with coexisting left posterior hemiblock. 61 …”

Section: Ebstein's Anomalymentioning

confidence: 99%

Clinical Use of Electrocardiography in Adults With Congenital Heart Disease

Khairy

Marelli

2007

Circulation

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“…Although the main ECG features of Eb stein's anomaly, namely abnormal P-waves, conduction defects, and bizarre right precor dial QRS complexes, have been described [12][13][14], the structural basis of some of them remain uncertain [14,15]. Similarly neither the structural basis nor clinical significance of the ECG changes in EMF were appreciated for a long time, and the changes were often described as non-specific [2,16].…”

Section: Introductionmentioning

confidence: 99%

Electrocardiographic Abnormalities in Ebstein’s Anomaly

Jaiyesimi¹

1982

Cardiology

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Probable causes of ECG abnormalities in Ebstein’s anomaly were investigated by comparing tracings from 18 young patients with the disease (group I) and 20 age-matched patients with a morphologically similar cardiopathy: right ventricular endomyocardial fibrosis (group II). Tall p waves (≧ 2.5 mm) occurred in about a third of the patients in each group and were attributable to right atriomegaly. 8 patients, 4 from each group, had prolonged P-R intervals (≧ 17 s) resulting from increased P-R segment (7 cases) and prolonged P-wave duration (4 cases). Right bundle branch block was, however, more prevalent in group I (44%) than in group II (5 %), and is thought to result mainly from a paucity of conduction fibres in the atrialized right ventricle in Ebstein’s anomaly and partly, in group II especially, from septal fibrosis. In both groups R-wave deflections in V3R and VI were reduced, probably because of a clockwise cardiac rotation and paucity of right ventricular muscle mass.

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“…In our previous series we found alterations of the mitral valve as cleft of the anterior leaflet, unicuspid mitral valve, prolapse of the anterior mitral leaflet and mitral supravalvular membrane [10,11]. Other studies have also found abnormalities of the mitral valve.…”

Section: Commentmentioning

confidence: 72%