Cau 75:xoan khuan leptospira

*/knang gay benh

-leptospira gay benh leptosoirosis-benh cua suc vat nhung co the lay sang nguoi

-day truyen dich te:nguon lay la cac suc vat mang leptospira va nuoc tieu cua chung. o chua thg xuyen: loai gam nham (chuot)...

o chua ko thg xuyen: trau, bo ngua...

Gam nham

(chuot...)

Nc, dat, ng

Gia suc

(trau, bo...)

-dg lay:

+/qua da do bi xay xat,qua vet thuong hay qua niem mac do tiep xuc truc tiep hay gian tiep voi nguon lay

Vd:bac si thu y,chan nuoi gia suc

+/qua nuoc, dat bi nhiem leptospira

Vd:bo doi,cong nhan lam nghiep,cong nhan ham mo

-benh leptospirois dien bien qua 2 thoi ki:

+/tki 1:sot cao dot ngot sau thoi gian u benh 1 den 2 tuan,trong mau co nhieu vi khuan.sot keo dai 3-8 ngay

-tki 2:sot tro lai do cac co quan nhat la gan than bi ton thuong(vang da,co albumin nieu) co the co hoi chung mang nao do TK TW bi ton thuong.co the xuat huyet va dau co

-gay benh thuc nghiem:chuot lang rat nhay cam voi leptospira("cai loc song"

*/phong

-ko dac hieu:cat dut day truyen dich te nhu diet chuot,phong benh cho gia suc,phong ho cho nhung ng tiep xuc voi nguon lay

-dac hieu:vacxin chet.chi nhung nguoi phai tiep xuc voi nguon lay

*/dieu tri: som, tu nhung ngay dau cua benh. dtri ca tr.chung. dug KS pencillin, tetracycline (hieu qua cao

Cau 76: Truc khuan uon van; khnag gay benh...

1/khnag gay benh: gay benh cho ca ng va dog vat

- TK uon van ko xam nhap to chuc ma no sog o trog vet thg va sinh ra ngoai doc to. ng doc to vao co the theo nhieu dg: mau, b.huyet

Tkinh, dic nao tuy ( htuog nhiem doc to

- time u benh tu 5-10 ngay, co the lau hon. Tr.chug dau tien la dau va cag co o noi bi thg, sau do tr.chung xh ro ret: cung ham do co nhai bi co cung, sau do toi co mat ( b.nhan ha mom kho, net mat thay doi han. ton thg cac co gay, co lug, thanh nguc, co bung va co chi ( khi len con, lung va co bi uon cong, than chi txuc voi giuog boi got chan, dau va mog.( goi la benh uon van

- o gdoan cuoi, su co that co lan rog ra co bung va co hoanh lam cho benh nhan nuot va tho kho khan, chnang ho hap va tuan hoan bi roi loan. tr.chung co giat xay ra o nhung nhom co khac, co the dan den dut co va sai khop xuog ( b.nhan vo cung dau don nhung van tinh tao cho den luc chet. b.nhan thg chet trog tinh trang suy ho hapcap tinh. doc to tkinh cung lam cho than nhiet tag cao, mach nhanh, h.ap giam, nhip tho nhanh va nong. Ngoai ra con co thay doi 1 so t.phan trog mau nhu Kali giam, dg huyet tag...( gay mat thag bang acid-bazo trog co the.

2/ phong: - phong benh chung: ve sinh m.truog, nhat la xu li phan gia suc. nhug trg hop vet thg co khnag nhiem TK uon van phai xu li can than: rua sach vet thg, rach rog, cat bo cac to chuc dap nat... va tiem khag h.thanh chong uon van

- phog benh dac hieu: tiem vacxin cho tre em, fu nu co thai va nhug trg hop nghi co khnag nhiem TK uon van: vet thg ch.tranh, tai nan giao thog, tai nan lao dog, vet thg do cho meo can

3/ dieu tri: - xu li vet thg va trug hoa doc to uon van cag som cag tot. thg dung tu 100k - 200k don vi SAT

- chog co giat = thuoc an than, gian co va tranh moi kich thich tkinh = co hoc nhu tiem truyen, cho an...

- cho b.nhan nam o phog yen tinh.

- dug KS de diet mam benh.

- co chdo ho li, ch.soc d.biet de de phog b.nhan bi loet