- A dictionary of medical eponyms

Roth's sign

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Percussional dullness between the fifth and sixth costal cartilages. It is due either to tricuspid stenosis and dilatation of the right auricle or to a pericardial effusion.

This eponym was submitted by Zoran Bojanic, Serbia.

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An eponym is a word derived from the name of a person, whether real or fictional. A medical eponym is thus any word related to medicine, whose name is derived from a person.

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