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September 3, 1938

A CASE OF CHIARI'S NETWORK ASSOCIATED WITH A MURMUR RESEMBLING THE BRUIT DE ROGER

JAMA. 1938;111(10):917-918. doi:10.1001/jama.1938.72790360003006b
Abstract

This singular cardiac anomaly was first described in 1897 by Chiari,1 who reported a series of eleven cases in which he found a peculiar network of fibers occupying the right auricle. This network he considered a developmental anomaly consisting of an incomplete residuum of the valvula venosa dextra and the septum spurium, which are represented only by threads attached to the eustachian and thebesian valves on the one side and to the crista terminalis or to the region of the tuberculum loweri on the other. The published reports would seem to indicate that the anomaly is very rare, although Yater2 estimates that it occurs in from 2 to 3 per cent of hearts which are otherwise normal developmentally and Helwig3 concludes that such reticula are "found to be present in 1.5 per cent of routine autopsy examinations." Probably it would be found more frequently if it were

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