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NSG 210 Test 3 Study Guide

Prevention same as for hbv no vaccine to prevent tx

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Unformatted text preview: osal are important in preventing HAV  ­Vaccines are available & are very effective. A two ­dose vaccine is given to pts over 18. For children/teen 2 ­18 a 3 ­dose vaccine is given. It is recommended for ppl travelling to locations where sanitation & hygiene are unsatisfactory & for those in high ­risk groups (homosexual men, IV/injection drug users, staff of day care centers & health care personnel).  ­HAV vaccine may be combined w/ HBV vaccine (Twinrix) or given alone (Havrix or Vaqta). It is an inactivated version given in the deltoid muscle.  ­For ppl not previously vaccinated, an IM injection of globulin may be given if it’s w/in 2 weeks of exposure. This is recommended for ppl who live w/ a HAV positive pt. Tx: Bed rest during the acute stage & proper nutrition  ­Since anorexia is common in early stages, pt should eat small, frequent meals, supplemented if necessary w/ glucose via IV. Hepatitis B (HBV) Mode of Transmission: primarily through blood. It can also be transmitted via saliva, semen, vaginal secretions, mucous membranes & breaks in the skin. It can be transmitted from mother to newborn at time of birth.  ­Cases in which it may be transmitted include blood transfusions (esp in other countries), IV/injection drug users, unsanitary tattoos, needle sticks, sexual contact w/ an HBV carrier S/S: disease closely resembles HAV but w/ a longer incubation period.  ­Pts may be asymptomatic or have flu ­like symptoms (including low grade fever), RUQ pain, jaundice, joint pain, etc.  ­Chronic carriers are at risk for cirrhosis & liver cancer AX/DX: Ax pt for risk factors, s/s, & lab results  ­Presence of HBsAg (hepatitis B surface antigen) is a significant...
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