Tuesday, February 19, 2008
eponyms in medicine - part 20
191 - Oliver’s sign is in aortic aneurysm - pulsation of aorta felt through cricoid cartilage when chin is elevated.
192 - Brodie’s abscess is small - intraosseus abscess that frequently involves the cortex and is walled off by reactive bone.
193 - Spurling’s test is for diagnosing cervical radiculopathy - exerting downward pressure on the head while rotating the head towards the symptomatic side creating pain radiating into affected extremity.
194 - Parkland formula is total body surface area % burned x kg x 4; 1/2 in first 8 hours - second 1/2 given next 16 hours.
195 - farmer’s lung is hypersensitivity pneumonitis from exposure to antigens of microorganisms which colonize equipment used in farming - including from moldy hay - grain - silage ( e.g. thermophilic actinomycetes - fungus such as Aspergillus umbrosus).
196 - Drummond - marginal artery of is vessel which lies along mesenteric border of colon and supplies vasa recta; arises from right and left branches of middle colic artery and left and right colic arteries; also supplies collateral connection between superior and inferior mesenteric arteries.
197 - Heimlich maneuver is abdominal thrust maneuver for clearing airway (blocked by foreign object - e.g. food) described in 1974 by Henry Heimlich.
198 - Möbius’s sign is in Graves’s ophthalmopathy - failure of ocular convergence following close accommodation at a distance of 5 inches.
199 - Cheyne-Stokes breathing is regularly irregular pattern characterized by a progressive increase in the depth and at times frequency of respiration with a crescendo-decrescendo shape that eventually culminates in an apneic phase; seen in CHF but also in meningitis - CVA - pontine damage.
200 - Sly’s syndrome is mucopolysaccharidosis (VII) - from beta-glucoronidase deficiency - resulting in hepatosplenomegaly - physical deformity from defect in degradation of dermatan sulfate and heparan sulfate.