Unit 2: HIV Clinical Staging and Surveillance Case Definitions
Hiv definitions-cvberger
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Transcript of Hiv definitions-cvberger
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Cells & chemicals protect the body against disease. Ex: White blood cells
T-Cells
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Antibodies (ATB)
-Substance formedresponse to a disease
or vaccine.-made by immune
system-usually protects
against diseaseEx.- chicken pox
hepatitis B
Antigens
- Made by body in response to exposure of disease or foreign body stimulating the immune system to start working.
- Generally indicates active disease
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After exposure- flu like symptoms develop
↓ HIV antibodies develop 6-12 weeks later –
window period↓
May not have any symptoms for 5-10 years- incubation period
↓ Develops AIDS
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Window period- 6-12 weeks develop ATB
Incubation period- 5-10 years until you show symptoms
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HIV attacks body defenses↓
Damages cells of immune system↓
Immune system can’t function↓
Virus multiplies- 1 week after exposures flu s/sx (last about 1 wk.) then go away
↓
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6-12 weeks- no symptoms no symptoms window period
↓5-10 years –incubation period-AIDS
destroying immune system↓
Symptoms occur
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Fever Fatigue Diarrhea Skin rashes Night sweats Loss of appetite Swollen lymph nodes Significant wgt loss
Dry cough, shortness of breath (SOB)
Memory loss
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Red purple spots on skin-skin, mouth, lung
Type of cancer common in AIDs pt.
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Low resistance in infection- get infections we normally fight off
Infection takes over body b/c the immune system can’t stop it & it grows out of control
Ex.-
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Other examples: thrush, yeast infection
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Positive illness ( kaposi sarcoma, pneumocystis carni)
++ HIV test
+↓ White Blood cell count/T-cells
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Lives outside body a few hours Dead once fluid is dried Hepatitis lives outside the body for 8
hours (even in dried secretions) To infect a person virus must get inside
the body
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1 part bleach + 10 part water