NDLI: Early closure of the tricuspid valve in a case of Ebstein's anomaly with type B Wolff-Parkinson-White Syndrome.

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Early closure of the tricuspid valve in a case of Ebstein's anomaly with type B Wolff-Parkinson-White Syndrome.

Content Provider	Semantic Scholar
Author	Koiwaya, Yasushi Narabayashi, Hirotaro Koyanagi, Samon Matsuguchi, H. Tanaka, Satoru Imaizumi, Takahiro Kuroiwa, Akio Nakamura, Mamoo Hirata, Tetsuro
Copyright Year	1979
Abstract	Echocardiographic studies of a 19-year-old female with Ebstein's anomaly and type B Wolff-Parkinson-White syndrome showed an earlier closure of the anterior tricuspid leaflet (ATL) than of the anterior mitral leaflet (AML), contrary to the previous reports. The interval between the closure of the ATL and the AML was 20 msec and 30 msec, respectively, before and after administration of edrophonium chloride. However, closure of the AML preceded that of the ATL after administration of atropine sulfate and during supraventricular tachycardia by 10 msec and 60 msec, respectively, concomitant with the shortening of the duration of the QRS complex. We conclude that early closure of the ATL may depend on preexcitation of the right ventricle.
Starting Page	247
Ending Page	250
Page Count	4
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://circ.ahajournals.org/content/circulationaha/60/2/446.full.pdf
Alternate Webpage(s)	http://circ.ahajournals.org/content/circulationaha/60/2/446.full.pdf?download=true
PubMed reference number	445761v1
Volume Number	60
Issue Number	2
Journal	Circulation
Language	English
Access Restriction	Open
Subject Keyword	Anterosuperior tricuspid leaflet Atropine Closure Ebstein Anomaly Edrophonium Chloride Heart Ventricle Leukemia, Myelocytic, Acute Parkinsonian Disorders Right ventricular structure Structure of anterior leaflet of mitral valve Supraventricular tachycardia Tricuspid valve structure Ventricular preexcitation Wolff-Parkinson-White Syndrome
Content Type	Text
Resource Type	Article

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