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Published byFrancis Harrell Modified over 9 years ago
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Prions “small proteinaceous infectious agents without a nucleic acid genome……produce spongiform encephalopathies”
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Pathogenicity abnormally folded proteins that cause the proteins to clump diseases have a long incubation time CNS damage is insidious no fever and inflammation
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Readings Question #1 Why are prions of a particular concern to embalmers?
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Creutzfeldt-Jakob Disease transfers/removals embalming non-posted Remains embalming posted remains decontamination
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NJ Dept. of Health/NJSFDA Embalming Non-posted Remains Protective attire Positioning Topical disinfection Washing and positioning Injection site selection Injection chemicals No cavity aspiration Aspiration alternative
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Embalming Non-posted(cont’d) other precautions: purge medical devices washing instruments surfaces disposables
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Embalming Posted Remains viscera preservative powder completion viscera bag cranial cavity calvarium
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Decontamination sodium hypochlorite incineration detergent solution of 1:10 sodium hypochlorite/water
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Viruses Readings question #2: How do viruses replicate? Readings question #3: How can some viruses become inactivated? Why? Give 1 example.
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Dermatropic (Skin) Diseases Smallpox: vaccination ended in the 1970s Monkeypox: Measles: Readings question #4: What is the virus responsible for measles? What is the only reservoir for this virus? MMR vaccine (measles, mumps, rubella)
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Dermatropic Diseases (cont’d) German Measles: Readings question #5: what is the virus that is responsible for this disease? How is it spread? Chickenpox and Shingles: – Shingles rarely occurs in people under the age of 20
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Reye’s Syndrome severe complication of chickenpox, influenze and some other viral diseases persistent vomiting signs of brain dysfunction coma and death survivors: neurological damage children and teenagers aspirin
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Dermatropic Diseases (cont’d) Herpes Simplex 1 and 2: Readings question #6: What is caused by the Herpes Simplex 1 virus and how is it transmitted? What is caused by the Herpes Simplex 2 virus and how is it transmitted?
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Pneumotropic (URT) Diseases Influenza: strains are “antigenic shifts” - vaccines are usually “multivalent” - pandemic 1918-1919 - 2 new drugs: zanamivir (Relenza) oseltamivir phosphate (Tamiflu)
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Pneumotropic Diseases (cont’d) Common Cold: Hantavirus Pulmonary Syndrome (HPS): Severe Acute Respiratory Syndrome (SARS):
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Neurotropic (CNS) Diseases Rabies: Readings question #7: Why is the immune system unable to suppress the infection caused by the rhabdovirus when it reaches the central nervous system? - not found in squirrels, rabbits, rats, or mice
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Neurotropic Diseases (cont’d) Poliomyelitis: Readings question #8: Describe the path of the poliovirus once it is ingested. Viral Encephalitis: West Nile Virus: 1999 New York City
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Viscerotropic (Visceral) Diseases Hepatitis:Hepatitis A (HAV) Hepatitis B (HBV) Readings question #9: According to OSHA’s Blood-borne Pathogen Rule, what are the rights of funeral home employees regarding the HBV vaccine? Hepatitis C (HCV): “silent epidemic”
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Viscerotropic Disease (cont’d) Infectious Mononucleosis: Cytomegalovirus: “inclusion bodies” Epidemic Parotitis (Mumps)
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Immunological Disease HIV (Human Immunodeficiency Virus) Readings question #10: What is the major threat to embalmers when embalming AIDS victims? What can the embalmer do to protect him/herself?
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