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Chagas Disease

Chagas Disease. Ashleigh Dixon. History. Discovered 1909 by Carlos Chagas Caused by a protozoan parasite Trypanosoma cruzi Also called American Trypanosomiasis. Widely Distributed throughout Latin America. 16 to 18 million people infected. 50,000 people die per year.

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Chagas Disease

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  1. Chagas Disease Ashleigh Dixon

  2. History • Discovered 1909 by Carlos Chagas • Caused by a protozoan parasite • Trypanosoma cruzi • Also called American Trypanosomiasis

  3. Widely Distributed throughout Latin America • 16 to 18 million people infected

  4. 50,000 people die per year

  5. Transmitted by Blood Sucking Insects • Feces deposits on skin • Triatomine bug ->

  6. Other forms of Transmission • Blood Transfusions • Organ transplants • Contaminated food • Congenital

  7. Stages of Transmission

  8. Risk Factors • Poor housing • Poverty • Blood transfusions

  9. Acute Phase Symptoms • Swelling of the eyelids -> • Fever • Body aches • Headache • Rash • Vomiting

  10. Chronic Phase Symptoms • Cardiac complications • Intestinal complications

  11. Diagnosing Chagas Disease • Physical examination • Peripheral blood smear • Blood culture

  12. Treating Chagas Disease • Two drugs • Benznidazole • Nifurtimox • 30 to 60 days

  13. Ongoing eradication campaign • Insect control • Screening from donors to blood banks • WHO, MSF

  14. References • http://images.google.com/imgres?imgurl=http://www.uta.edu/chagas/images/chagArea.jpg&imgrefurl=http://www.uta.edu/chagas/html/doYaSpre.html&usg=__Uo4opO0RTDIkluIX8INuOireBXw=&h=475&w=400&sz=16&hl=en&start=5&um=1&tbnid=8vvsUo8ORt_WeM:&tbnh=129&tbnw=109&prev=/images%3Fq%3Dchagas%2Bdisease%26um%3D1%26hl%3Den%26sa%3DN • http://www.bc.edu/schools/cas/biology/meta-elements/gif/chagas.gif • http://www.health.gov.mt/impaedcard/issue/issue5/2839/fig04.jpg • http://pathmicro.med.sc.edu/parasitology/chaga-crith.jpg • http://www.medcyclopaedia.com/upload/book%20of%20radiology/chapter27/nic_k271_490.jpg • D:\Users\andixon\AppData\Local\Temp\imgres-1.htm • http://www.cmaj.ca/graphics/msfdoctor.jpg • http://studyabroad.wfu.edu/_usermedia/images/accountimages/1/WHO.jpg • http://dhanaan.com/tech/data/upimages/msf_logo_300x300.jpg • http://images.google.com/imgres?imgurl=http://www.msf.org.uk/UploadedImages/939f5d68-80af-4a89-85b8-ce0c3347da9c.jpg&imgrefurl=http://www.msf.org.uk/ourwork_medical_work.aspx&usg=__i9qE2KoHv5dqBBgsBc7BIdFIA1o=&h=515&w=779&sz=69&hl=en&start=28&um=1&tbnid=wTlbQ8O7mCXA5M:&tbnh=94&tbnw=142&prev=/images%3Fq%3Dchronic%2Bsymptoms%2Bof%2Bchagas%2Bdisease%26start%3D18%26ndsp%3D18%26um%3D1%26hl%3Den%26sa%3DN • http://cmbi.bjmu.edu.cn/uptodate/pictures/card_pix/chagas_d.gif

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