| boutonneuse f. |
an acute febrile disease caused by Rickettsia conorii, transmitted by the bites of various ixodid ticks, with dogs and rodents being the chief hosts; characterized by a primary lesion (tache noire) at the site of the tick bite, maculopapular or petechial rash, headache, arthralgia, myalgia, chills, fever, and photophobia, usually without sequelae. It occurs around the Mediterranean, Black, and Caspian Seas, with variant forms in Africa and on the Indian subcontinent. Called also boutonneuse and Conor and Bruch's disease. There are other names based on geographical area, such as South African tickbite f. and Indian tick typhus.
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| boutonnière d. |
a deformity of the finger characterized by flexion of the proximal interphalangeal joint and hyperextension of the distal joint; called also buttonhole d. Click here to view image■Boutonnière deformity.
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| boutonnière s. |
a dynamic splint designed to limit or correct boutonnière deformities; it encourages palmar displacement of the lateral tendons of the fingers, causing them to act as flexors and stabilize the proximal interphalangeal joints.
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| Bouveret's s. |
1. paroxysmal supraventricular tachycardia. 2. obstruction of the gastric outet by a gallstone passed into the duodenal bulb through a cholecystoduodenal or choledochoduodenal fistula.
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| Bouveret's syndrome |
see paroxysmal supraventricular tachycardia, under tachycardia, and see under syndrome.
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