Dr Browers update slides

1
Dr Browers update slides

• please note that Dr Brower has indicated in the
  notes for each slide which slide it replaces or
  where to insert the new slides
• Please note that the slide number refers to the
  slide number in the original powerpoint file
  posted and that in the nematode file the first
  insertion would change the numbering referred to
  in the next 3 slides. Doing it this way you
  should not have to replace the original files you
  uploaded.

2
Parasitology Resources

• World Health Organization
• http//www.who.int/en/
• Center For Disease Control
• http//www.cdc.gov/
• Parasitology Autotutorial
• http//workforce.cup.edu/buckelew/
• Atlas of Medical Parasitology
• http//www.cdfound.to.it/html/atlas.htm
• Pubmed and Journal Case Studies

3
Trichinosis Geographical distribution

• World-wide distribution
• Not common in Muslim countries
• Related to
• Hog farming conditions
• Pork consumption

4
Trichinella

• Muscle invasion stage 2 to 8 weeks after
  infection. Fever and perorbital edema are
  followed by myalgia (muscle pain) and weakness.
• Characteristic splinter hemorrhages can be found
  under finger nails (DDX endocarditis).
• Fever and chills can persist for weeks.
• Headache is common and dizziness may develop.
• Deaths are rare and due to myocarditis,
  encephalitis and pneumonia (larvae in the
  diaphragm).

5
Trichinosis Treatment and Prevention

• Treatment
• Corticosteroids for symptomatic relief
• Mebendazole for killing parasite

• Prevention
• Elimination of parasite from hogs
• Cooking meat well
• Freeze pork immediately after packaging

6
Strongyloides stercoralis Symptoms
7
Hookworm Morphology

• Often will enter through the feet.
• Common in areas where sewage disposal is
  inadequate

8
Parasitology Resources

• World Health Organization
• http//www.who.int/en/
• Center For Disease Control
• http//www.cdc.gov/
• Parasitology Autotutorial
• http//workforce.cup.edu/buckelew/
• Atlas of Medical Parasitology
• http//www.cdfound.to.it/html/atlas.htm
• Imaging of Tropical Diseases
• http//www.isradiology.org/tropical_deseases/tmcr/
  toc.htm
• Pubmed and Journal Case Studies

9
Chiggers (Trombiculidae)

• Ectoparasites
• Eutrombicula sp.
• Leptotrombidium sp.
• Bites typically occur under tight clothing or on
  wrinkled skin
• ankles, wrists, thighs, groin and waist
• Feed on digested skin and lymph
• Digestive enzymes cause severe irritation
• occasionally fever

10
Echinococcus granulosus Life Cycle
http//workforce.cup.edu/buckelew/