Document Detail

Echocardiography in atrioventricular canal defect: a clinical spectrum.
MedLine Citation:
PMID:  1109247     Owner:  NLM     Status:  MEDLINE    
Echocardiographic examinations were performed in 30 children with atrioventricular (A-V) canal defect to determine the diagnostic value of recording A-V valve motion. Although a wide spectrum of abnormal movement was observed, four main diagnostic types emerged. Type 1, prolonged mitral-septal approximation during diastole, resulted from anterior displacement of the cleft anterior mitral leaflet. Type 2, the most diagnostic motion, was recorded when the common anterior A-V leaflet traversed the interventricular septum. Type 3 motion reflected posterior displacement of the septal tricuspid leaflet, which appeared to arise from the interventricular septum. Normal posterior diastolic motion of the septal leaflet was never recorded. Type 4, double contour of the mitral valve during systole and marked duplication of the systolic image, corresponded to irregularities in the mitral valve. When these patterns are recorded in a patient with congenital heart disease the diagnosis of A-V canal defect can be made with confidence.
D R Pieroni; E Homcy; R M Freedom
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of cardiology     Volume:  35     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  1975 Jan 
Date Detail:
Created Date:  1975-02-18     Completed Date:  1975-02-18     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  54-8     Citation Subset:  AIM; IM    
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MeSH Terms
Child, Preschool
Evaluation Studies as Topic
Heart Septal Defects / physiopathology*
Infant, Newborn
Mitral Valve / physiopathology*
Tricuspid Valve / physiopathology*

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