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Hiv aids presentation


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HIV/AIDS presentation for school

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Hiv aids presentation

  1. 1. Human immunodeficiency virus (HIV) Acquired immunodeficiency Syndrome (AIDS) An infection of the immune system which destroys the body’s ability to fight off infections. HIV may also enter a cell then remain quiet for a long time and drug therapy only destroys the active virus. HIV infects the cells (T Lymphocytes) of the immune system weakening the entire system.
  2. 2. HIV/AIDS Virus The HIV Virus invades a white blood cell...
  3. 3. HIV virus, attacked by the immune system cells. The immune system attacks the HIV virus as soon as it enter the body.
  4. 4. Origins of HIV AIDS is caused by the Human immunodeficiency virus (HIV), which originated in non-human primates in Sub-Saharan Africa. AIDS is believed to have started in the 1950’s or earlier. According to scientist, monkeys had the disease and it was passed to the humans when they killed and ate the monkeys for food and when they became exposed to their blood during rituals. The disease then mutated slightly as it was passed on from human to human through sexual intercourse. First victim that died from AIDS was reported from USA in 1969, HIV was found in a blood plasma sample.
  5. 5. Prevalence of HIV/AIDS
  6. 6. Transmission • • • • • Blood Blood Products Sexual Fluids Mother to Infant Sexual contact – Artificial insemination with semen from an infected person – Body fluids including semen – Vaginal/Anal/Oral intercourse • Sharing of needles or syringes • Accidents in health care • Ear piercing • Needle sharing with an infected person • Receiving a blood transfusion with infected blood
  7. 7. Symptoms • • • • • • • • Abdominal Crams Coma Coughing Difficult or painful swallowing Extreme fatigue Fever Lack of coordination Mental symptoms such as confusion and forgetfulness • Mouth ulcers in the genital region • Nausea • Pelvic inflammatory disease • Persistent or frequent yeast infections (Oral and vaginal) • Persistent skin rashes or flaky skin • Seizures
  8. 8. Symptoms • Severe and persistent diarrhea • Severe headaches • Shortness of breath • Sore throat • Sweats • Weight loss • Swollen lymph glands • Vision loss • Vomiting
  9. 9. Treatment HIV/AIDS is a permanent disease, and as of right not there is no cure. HIV/AIDS can only be controlled with the use of drugs in order to prevent from getting worse. When AIDS first surfaced the US, no drugs were available to combat the underlying immune deficiency and few treatments existed for the opportunistic diseases that resulted. Some drugs to keep the disease controlled are: • Abacavir Succinate • Nucleoside Anolog Reverse Transcriptase inhibitors (NRTIS) • Didanosine (ddI) • Lamuvidine (3TC) • Stavidine (D4T) • Zalcitabine (also known as AZT)
  11. 11. Stage 1: Primary HIV Infection • The first stage of HIV infection is called primary infection. During this time period, individuals experience symptoms similar to the flu. Very few individuals seek treatment during this time, and those who do are usually misdiagnosed with a viral infection.
  12. 12. Stage 2: Asymptomatic HIV • In the second stage, individuals are free from any symptoms of HIV. Levels of HIV in the blood are very low, but are detectable. If an HIV test is performed, it will come back positive. While the individual is asymptomatic, the HIV in their blood is reproducing constantly. This stage lasts about ten years, but can be much longer or shorter depending on the individual.
  13. 13. Stage 3: Symptomatic HIV • In the third stage, the immune system has become so damaged by HIV that symptoms begin to appear. Symptoms are typically mild at first, and then slowly become more severe. Opportunistic infections, infections that take advantage of the immune system’s vulnerable state, begin to occur. These infections affect almost all the systems of the body and include both infections and cancers. Some common opportunistic infections include tuberculosis, cytomegalovirus, and shingles.
  14. 14. Stage 4: Acquired Immune Deficiency Syndrome • In the fourth and final stage, a person is diagnosed as having AIDS. To be diagnosed as having AIDS, a person has to exhibit certain opportunistic infections, such as HIV wasting syndrome, pneumocystis pneumonia, or Kaposi sarcoma. Once a person is diagnosed with AIDS, they can never return to a stage of HIV, even if the individual gets better.
  15. 15. HIV & Pregnancy If the mother is infected with HIV, the doctors can take certain regimen to prevent the disease from getting transmitted to the baby. Regimen: Anti-HIV medications are grouped into “classes” according to how they fight HIV. A regimen is a combination or three or more anti- HIV medications from at least two different classes. Possible ways of transmitting is during labor and delivery, or by breastfeeding. A scheduled cesarean delivery at 38 weeks of pregnancy can reduce the risk of mother to child transmission of HIV. If a woman’s water breaks, or she goes into labor, it is unclear if a cesarean delivery will still reduce the risk of transmission. Depending on an individual woman’s situation, a vaginal delivery may be an alternative to a planed cesarean delivery. Regardless of type of delivery, health care providers take care to expose the baby as little as possible to the HIV Infected mother’s blood .