What is true about Fallots tetralogy? - ProProfs Discuss
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What is true about Fallots tetralogy?



A. Is so called because there are 4 diagnostic features
B. May have pulmonary atresia
C. Shows overriding of the aorta
D. Features first described by √Čtienne-Louis Fallot in 1888
E. Is characterised by spells

This question is part of Congenital heart disease
Asked by Wyatt Williams, Last updated: May 21, 2020

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Wyatt Williams

Wyatt Williams

Answered Apr 09, 2018

Is so called because there are 4 diagnostic features
May have pulmonary atresia
Shows overriding of the aorta
Is characterised by spells

Pulmonary stenosis is the cardinal feature, but in its most extreme manifestation there may be full atresia. Overriding of the aorta, along with VSD and right ventricular hypertrophy are the other features that make up the 4 part description. Numerous descriptions of these features were made before Fallots more comprehensive description, including one by Scotlands own William Hunter. Spells are episodes of pulmonary artery spasm causing acute hypoxia.
 

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