| Gerhardt's disease | Disease marked by paroxysmal, bilateral vasodilatation, particularly of the extremities, with burning pain, and increased skin temperature and redness. (12 Dec 1998) |
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| Gerhardt's reaction | In fresh urine a red colour develops upon addition of FeCl3; no colour develops if the urine has first been boiled; this test has low specificity and sensitivity. Synonym: Gerhardt's reaction. (05 Mar 2000) |
| Gerhardt's sign | <clinical sign> Complete bilateral paralysis of the adductor muscles of the larynx with severe inspiratory dyspnea. Synonym: Biermer's sign. (05 Mar 2000) |
| Gerhardt's test for acetoacetic acid | In fresh urine a red colour develops upon addition of FeCl3; no colour develops if the urine has first been boiled; this test has low specificity and sensitivity. Synonym: Gerhardt's reaction. (05 Mar 2000) |
| Gerhardt's test for urobilin in the urine | The urobilin is extracted with chloroform and then treated with iodine and potassium hydrate, a fluorescent green colour being produced. (05 Mar 2000) |
| Gerhardt, Charles | <person> A French chemist, 1816-1856. See: Gerhardt's test for urobilin in the urine. (05 Mar 2000) |
| Gerhardt-Mitchell disease | Disease marked by paroxysmal, bilateral vasodilatation, particularly of the extremities, with burning pain, and increased skin temperature and redness. (12 Dec 1998) |
| Gerhardt-Semon law | <otolaryngology> An obsolete law formerly used to account for the position of an affected vocal cord or cords after injury to the recurrent laryngeal nerve or nerves. (05 Mar 2000) |
| Gerhardt. Carl | <person> A German physician, 1833-1902. See: Gerhardt's disease, Gerhardt's reaction, Gerhardt's sign, Gerhardt's test for acetoacetic acid, Gerhardt-Semon law. (05 Mar 2000) |
| Gerhardt's d. |
erythromelalgia.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Gerhardt's disease, triangle (dullness) |
see under triangle and see erythromelalgia.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Gerhardt's t. |
1. (for acetoacetic acid in the urine) filter, in order to remove the phosphates, and add a few drops of a solution of ferric chloride, which produces a deep red color, which disappears when sulfuric acid is added. 2. (for bile pigments in the urine) shake urine with an equal measure of chloroform and then add iodine tincture and potassium hydroxide to the separated chloroform; a yellow or yellowish brown color is produced (Charles Frédéric Gerhardt).
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Gerhardt's test |
see under test.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Gerhardt-Semon l. |
various peripheral and central lesions affecting the recurrent laryngeal nerve cause the vocal cord to assume a position between abduction and adduction, the paralysis of the parts being incomplete.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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