FA 2019 P. 661 Hypersensitivity Pneumonitis is a mixed type III/IV hypersensitivity reaction to an antigen in the environment. Commonly seen in farmers and people exposed to birds. Presents with Dyspnea, Cough, Chest tightness, headache. It is reversible in the early stages if the allergen is removed.
seiHtesyrtyinipv eixmtuidepiomn—ns etyp IIIVI/ tysiyetsvinripeh rencotia ot eilnmnntoavre teain.gn sauCes esnp,yad oh,cug secht sttisnghe, caeadehh. Onfte esen in mrrefsa adn hotes dsxpeoe to b.sird seelierbvR in lraye gsaset fi simuulst is ddveao.i
s'tI a etyp fo citrivertse guln eiases.d
A type of hypersensitivity pneumonitis associated with animal exposure is bird fancier’s lung, in which the major antigens are proteins in avian serum, feces, and feathers, including bloom, the waxy powder coating them (18). Pigeons and parakeets, including budgerigars (a type of parakeet), are the birds most commonly implicated, but poultry, finches, doves, canaries, and other birds also have caused the disease. Exposure to live birds is not necessary to produce hypersensitivity pneumonitis: the illness has resulted from using feather pillows and duvets (19), being exposed to a wreath made from the feathers of a dead pet bird (20), and laundering a pigeon keeper’s overalls (21). Other examples of animal proteins that are known to have caused the disease when inhaled include proteins from the dust of mollusk shells used to make buttons (22) and from animal fur used in garment manufacture
hyW the orthe rsawne seccioh 'enart crcoret
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B - oNt amhats irtra(echeczad by emor acuet osedeisp of oroinoonccn,csttihbr zhgine)we
D - aeimAn (,B6 ,B9 )B1,2 ro maybe a orlpaynmu losmbemi deu ot 9B or B12 iyecfndice tg&-;- etevelad ieyenochotsm esllev --;gt& tsorohsibm g-;-t& TDV?
E - anymolurP ntaarx;h heT imet coeusr wlduo be humc moer uce,at adn uoldw losa npseret thwi ssommtyp fo e-lfulik ys.stmmpo dpRia dateh too
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owH olduw oyu oknw ahtt it istn' wool sstorer asised?e
acroingcd ot lwrudo iyrhtivepteyisns oiuisnmpent is ued ot tsud adn atht wsa osla na .oo.t..npi
I losa asw inhtnkgi .M uavmi h,ere btu veyihtsyriptsine nenusiipotm essme ot fit tiwh teh uoaerlcitrurglna gn.ecahs
woh do ew wokn saateerpk ecasu inptssyyhveeri onusenpimit
Psitsoatcis me(smoesit cdlael oirstnsiho ro raoprt sedseia or otrapr )verfe si an nneoiitfc fo het ugln m(peaiou)nn scaedu yb eht rtiucbame hlidaChpolmay )dmlhyiC(aa p.stiacti
Sgisn nad v,gemhfsmp:.sorc yeto u llysuua howuitt uhcm ..agsas h.epueecm hmcrdlaehhl t ashesc.ech eshinsnsora.tp of h.brete srao hrat.ot
you get granulomas in both
submitted by ∗masonkingcobra(408)
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