Game Plan Lecture Cardio/ lymphatic systems Bacterial diseases Viral diseases Protozoa diseases...
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Transcript of Game Plan Lecture Cardio/ lymphatic systems Bacterial diseases Viral diseases Protozoa diseases...
![Page 1: Game Plan Lecture Cardio/ lymphatic systems Bacterial diseases Viral diseases Protozoa diseases Helminthic diseases Lab Major Unknown Continue water microbiology.](https://reader036.fdocuments.net/reader036/viewer/2022062421/56649e535503460f94b4900e/html5/thumbnails/1.jpg)
Game Plan
Lecture
Cardio/ lymphatic systemsBacterial diseasesViral diseasesProtozoa diseasesHelminthic diseases
Lab
Major Unknown
Continue water microbiology
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Circulatory system
Components:
Heart
Blood vessels Arteries Veins Capillaries
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The lymphatic system
Components:
Lymph capillaries Collects plasma/
interstitial fluid/ microbes from tissues
Lymphatics lead to lymph nodes
Macrophage, T and B cells reside here
Swollen lymph nodes are buboes
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Lymphangitis
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Infective endocarditis
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Infective subacute endocarditis
Symptoms
FeverHeart murmur
Fibrin platelet vegetations
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Bacillus anthracis- anthrax
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Yersinia pestis- plague
Types
Bubonic plague
Septicemic plague
Pneumonic plague
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Human US Plague distribution
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World-wide plague distribution
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Rickettsia rickettsii- Rocky Mountain spotted fever
Symptoms
Typhus infects endothelial cellsof vascular system
Rash similar to measles, butalso on hands and feetFever and headache
Kidney and heart failure (3%)
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Viral hemorrhagic fevers
Classic Virus Vector Resovoir
Yellow fever Flavivirus Aedes aegypti Monkeys
Dengue & DHF Flavivirus • A. aegypti• A.
albopictus
No known reservoir
Emerging
Marbug Filovirus • Monkeys (?)
Ebola Filovirus • Monkeys (?)
Lassa fever Arenavirus • Rodents
Argentine hemorrhagic fever
Arenavirus • Rodents
Bolivian hemorrhagic fever
Arenavirus • Rodents
Hantavirus pulmonary syndrome
Hantavirus • Rodents
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Epstein-Barr Virus (herpes virus 4)
EB Viral diseases
Burkitt’s lymphoma
Infectious mononucleosis
Possibly:MS
Hodgkin’s diseaseNasopharyngeal cancer
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Leishmaniasis
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Leishmaniasis
Disease Visceral leishmaniasis
Cutaneous leishmaniasis
Mucocutaneous leishmaniasis
Fatal if untreated
Papule that ulcerates and scars
Disfiguring
Causative agent
Leishmania donovani
L. tropica L. braziliensis
Vector Sandflies Sandflies Sandflies
Reservoir Small mammals
Small mammals
Small mammals
Treatment Amphotericin B or miltefosine
Amphotericin B or miltefosine
Amphotericin B or miltefosine
Geographic distribution
Asia, Africa, Southeast Asia
Asia, Africa, Mediterranean, Central America, South America
Rain forests of Yucatan, South America
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Malaria
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Wuchereria bancrofti- filariasis or elephantiasis
Characteristics
Round worm transmitted by mosquitoPeripheral BV during night, deep vessels
during dayBlockage of lymph vessels leads to
elephantiasis
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HIV
Figure 19.15