Flashcards in Acquired Immunideficiency Syndrome (AIDS) Deck (19)
What is the virus that causes AIDS?
Human Immunodeficiency Virus (HIV)
How is HIV transmitted?
Direct Contact with infected blood/body fluids (body fluids- semen, breast milk)
HIV mother gives to baby
What are symptoms of HIV?
Fever, weight loss, night sweats, diarrhea, fatigue
How is the presence of HIV confirmed?
Screening is done first to see if HIV antibodies are present. The test is performed to specifically identify the HIV antibodies.
What is the screening test?
What confirms the screening test?
How does HIV attack the body?
It attacks the immune system by destroying T-lymphocytes. The virus also rapidly self- replicates
What is so important about T-lymphocytes?
T cells help immune system +recognize and fight pathogens
What is another name for T-lymphocytes?
Why is the CD4 count so important?
The lower CD4 count, the more damage the virus has done to the body
What is the normal CD4 count?
What is the normal CD4 count in a client with HIV?
Anything at or above 500, client is considered at good health. If below 500, HIV has progressed to AIDS.
If a clients CD4 count is below 200, client is at risk for what?
List some opportunistic infections.
-Oral pharyngeal canididal infection (mouth fungus)
-Kaposi's sarcoma (skin cancer)
What is the goal of HIV medications?
To interfere with the virus replicating
The most important medication to know is____?
Zidovudine (AZT, Retrovir)
Which isolation precautions are used with HIV?
Patients do not have to tell you they have HIV, treat everyone as if they are INFECTED
How do precautions change with AIDS?
If the client has a low CD4 count and is at risk for opportunistic infection:
RN wears gown, goggles, mask when in direct contact with blood or body fluids.