Hamman, Louis

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Hamman, Louis

(hăm′ăn)
U.S. physician, 1877–1946.

Hamman's disease

Spontaneous mediastinal emphysema with a crunching sound heard during auscultation of the heart.

Hamman's syndrome

Previously used term for idiopathic pulmonary fibrosis.
Medical Dictionary, © 2009 Farlex and Partners

Hamman,

Louis, U.S. physician, 1877-1946.
Hamman crunch
Hamman disease - Synonym(s): Hamman syndrome
Hamman murmur - Synonym(s): Hamman sign
Hamman sign - a crunching, rasping sound, synchronous with heartbeat, heard over the precordium and sometimes at a distance from the chest in mediastinal emphysema. Synonym(s): Hamman murmur
Hamman syndrome - spontaneous mediastinal emphysema, resulting from rupture of alveoli. Synonym(s): Hamman disease
Hamman-Rich syndrome - Synonym(s): usual interstitial pneumonia of Liebow
Medical Eponyms © Farlex 2012
References in periodicals archive ?
Although many cases of spontaneous pneumomediastinum and subcutaneous emphysema were reported in many women, but a clear relationship was not established until 1945 by Louis Hamman (1877-1946), the physician who described pneumomediastinum in association with subcutaneous emphysema during pregnancy.
El neumomediastino fue reportado por primera vez por Rene Laennec, en 1827; posteriormente, en 1939, Louis Hamman describio el neumomediastino espontaneo o sindrome de Hamman en una serie de casos; no obstante, fue Macklin quien desde 1939 describio su fisiopatologia, explicada a traves de la ruptura de los alveolos, que permiten que el aire, a traves del espacio intersticial del arbol traqueobronquial, realice una diseccion de estos planos y genere el enfisema en el mediastino.
The condition was described by Louis Hamman and hence known as Hamman's syndrome.
Louis Hamman originally reported the syndrome that bears his name in 1939, (1) describing it in women in labour ('postpartum pneumomediastinum').
(1) Spontaneous pneumomediastinum was described as a separate entity in 1939 by Louis Hamman (syndrome of Hamman).