HIV and AIDS (16) Flashcards

1
Q

Acquire Immunodeficiency Syndrome

A

Affects the body’s immune system where it becomes deficient in combating disease

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2
Q

To be classified as AIDS (under CDC)

A

Positive blood test indicating the presence of HIV, CD4 (T-cell) count below 200, Have one or more of the disease associated with AIDS

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3
Q

Conditions Associated with AIDS

A

CDC list 20 conditions to be used with diagnosing AIDS with HIV status; Opportunistic infections, Cancer, Clinical Conditions, Other Conditions

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4
Q

Opportunistic infections

A

Diseases that take advantage of the weakened immune system, these diseases do not develop in healthy people

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5
Q

Clinical Conditions

A

Wasting syndrome, Persisting diarrhea

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6
Q

Symptoms of HIV Infection

A

Within 2-4 weeks after being infected a person may develop flulike symptoms (last several days/weeks some have no symptoms); Person may appear and feel healthy for years (10+) after becoming infected; Even if feeling healthy, the virus is still affecting the body

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7
Q

Effects on T- Cells

A

The immune system process starts to break down immediately; HIV injects its content into the host T-cell and copies it own genetic code into the cells DNA; The immune system is activated the T-cells begins producing HIV instead of replicating itself and the T cell is killed in process

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8
Q

How the disease progresses

A

Most people will develop detectable antibodies with in 3-8 weeks after exposure; T-cells (CD4) count # of helper T cells that are present in a cubic millimeter of blood; Healthy persons average - @ 1,000 can range from 500 – 1600 depending on a persons health

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9
Q

Time between infection with HIV and development of AIDS can range from…

A

a few months to years; Individuals with HIV taking medication can live a ling time before immune system is damaged for AIDS to develop

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10
Q

When 1st infected, an individual may experience what symptoms?

A

Flu like symptoms immune system goes into high gear to flight off invader

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11
Q

Phases of Infection

A

T-cell may temporarily plunge and virus rapidly replicates the virus is dispersed throughout the lymph nodes and replicates AKA = seeding; Virus may stay localized for years but continues to replicate and destroy T cell; Viral load is high- person in most contagious

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12
Q

World Health Organization (WHO) reports on AIDS

A

More than 39 million people have died form AIDS, Estimated that 37 million individuals are living with the infection (African continues to be the most impacted region)

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13
Q

World Health Organization (WHO) reports that rate of new infections have declined except for where?

A

Eastern Europe

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14
Q

WHO/UNAIDS believe that HIV epidemic can be ended but needs accelerated response through what?

A

The year 2030 and beyond; Reaching key populations to keep decreasing infections

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15
Q

Transmission of HIV

A

HIV is spread by bodily fluids

Risk of HIV transmission depends on type of exposure or behavior

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16
Q

Primary Ways of Transmission

A
Sexual Transmission (anal or vaginal) without condom or taking medication to prevent
 Sharing needles or other equipment used to prepare drugs for injection, rinse water
17
Q

Less Common Ways of Transmission (Less frequent)

A

Mother to child during pregnancy, birth or breastfeeding

Being stuck with a needle

18
Q

Rare ways: rare occasions HIV has been transmitted by:

A

Oral Sex, Receiving blood transfusion/organ transplants , Deep open mouth kissing, Being bitten by a person with HIV, Contact between broken skin, wounds, mucous membrane, and HIV contaminated blood

19
Q

Oral Sex

A

Can contact via cuts or sores, person performing oral sex is at greater risk

20
Q

Deep Open Mouth Kissing

A

Risk of transmission can occur from bleeding gums, sores, cuts

21
Q

Can condoms prevent HIV?

A

Yes, if used correctly and consistently

22
Q

Preventative Medicine

A

July 2012 FDA approved a drug to reduce the risk of acquiring HIV infection – has been shown to helpful in blocking HIV – taken daily - known as pre-exposure prophylaxis or PrEP

23
Q

Who should use preventative medication?

A

Used by people that are at very high risk and are willing to take the medicine daily to lower their chances of getting infected
Highly effected for preventing HIV if used as prescribed less effective when not taken consistently

24
Q

PEP (post exposure prophylaxis)

A

option for an individual who thinks they have been exposed to HIV; Taking antiretroviral therapy, Used in emergency situations, Must be started with in 72 hours after a recent possible exposure sooner the better, Not a substitute for prevention

25
Who should get tested?
CDC recommends that everyone b/n 13-64 get testes at least once as part of routine care 1 in 7 people in the USA who have HIV don’t know they have it People at higher risk should get tested more often
26
If you answer yes to any of the following questions you should get an HIV test as soon as possible
Have you had... Sex/anal or vaginal with an HIV infected partner?, More than one sex partner since your last HIV test?, Injected drugs and shared needles or injection equipment with others?, Exchanged sex for drugs or money?, Been diagnosed with or sought treatment for another STI infection?, Been diagnosed with or treated for hepatitis or tuberculosis (TB)?, Had sex with someone who can answer yes to any of the questions above or whose sexual history you don’t know? or a man who has had sex with another man?,
27
Types of Testing
Antibody screening test – detecting antibodies that the body make against HIV Can be lab or rapid test RNA test detects the virus directly instead of antibodies
28
What does a negative HIV test mean?
A negative test does not necessarily mean that you do not HIV testing could have been performed during the window period – consult you health care provider if an when you need to get tested again
29
Treatment
HIV – is a retrovirus and the drugs used to treat are antiretroviral Typically used in combination of three or more drugs called antiretroviral therapy(ART) - used since mid 90s ART slows the progression of the virus by reducing the amount of the virus in the blood an body fluid