HIV Flashcards
(26 cards)
definition of late diagnosis of HIV
CD4 count < 350 cells/mm2 within 3 months of diagnosis
late diagnosis of HIV is associated with (3)
- increased risk of opportunistic infections
- increased morbidity + mortality
- impaired response to HAART
prevalence of HIV in an area which recommends by NICE to offer HIV testing to
HIV > 2 per 1000 population
in high prevalence areas where should HIV testing be offered
- all new GP practices
- all patients attended GP for another reason
- all acute presentations to hospital
what is a HIV indicator disease
conditions where GIV infection is part of the differentials
HIV consent requires…
- to be informed + verbal
- should be documented in patients notes
who should be tested if individual found to be positive
- all known sexual contacts with the individual including current and previous partners
- children
what is PCP?
Pneumocystic jiroveci (yeast like fungal pathogen)
can cause pulmonary infection in immunocompromised individuals
PCP occurs in those with CD4 counts of..
< 200 cells/mm3
PCP diagnosed by?
broncho-alveolar lavage
PCP treatment
high dose IV co-trimoxazole
steroids
how to reduce risk of HIV pos patients from PCP
PCP prophylaxis
1st + 2nd line PCP prophylaxis
1st = low dose co-trimoxazole
2nd = dapsone
when can PCP prophylaxis be stopped
CD4 count > 200 for > 3 months
what testing does a baby need if born to a mother HIV positive
testing at:
- 6 weeks
- 12 weeks
- 18 months
HAART stands for
highly active anti retroviral therapy
what is undetectable viral load defined as
HIV viral load < 20 copies/ml
common HIV trx side effects
- diarrhoea
- nausea + vomiting
- headache
- tiredness
- rash
what does U = U in publicity mean?
once on trx with undetectable viral load; patients are unable to transmit the virus
undetectable = untransmittable
how do medical practitioners notify a notifiable disease
notify proper officer at local council or local health protection team (HPT)
risk factors for travel abroad
- exposure to sick patients
- exposure to animals
- contaminated food
- sexual contacts
different types of travel to ask about… to indicate the level of expsure to different risks
- working in healthcare facility
- visiting friends and family
- organised package holiday
5 viral haemorrhagic fevers
1) lassa fever
2) crimean-congo
3) marburg
4) ebola
5) dengue
transmission of VHF
- bodily fluids
- contact/bites from certain animals