Viral illness Flashcards
What is glandular fever?
Infectious mononucleosis caused by EBV from infection by saliva
What is glandular fever?
Infectious mononucleosis caused by EBV from infection by saliva
EBV in children vs teenagers
Most ppl infected as children - very few sympotms
More severe symptoms in young adults
Symptoms of glandular fever
Fever, sore throat and fatigue, swollen face
What happnes when take amoxicillin with mononucleosis?
Intensely itchy maculopaoular rash in repsonse to amoxicillin or cefalosporins
Features of glandular fever
Fever
Sore throat
Fatigue
Lymphadenopathy - swollen lymoh nodse
Tonsilar enlargement
Splenomegaly + splenic rupture in rare cases
What test for in glandular fever
Heterophile antibodies
How long does it take for heterophile anitbodies to be produced in response to EBV
6 weeks
What are heterophile antibodies
Multipurpose antibodies produced by the body in response to EBV
How test for EBV
Monospit test - Heterophile antibodies react ot horse RBCs
Paul Bunnell test - uses sheep RBC
When are tests for infectious mononucleosis unrelaibale
100% specific
Not everone with IM produces heterophile antibodies
Can take up to 6 weeks for ABs to be produced
ONly 70-80% sensitive
When are tests for infectious mononucleosis unrelaibale
100% specific
Not everone with IM produces heterophile antibodies
Can take up to 6 weeks for ABs to be produced
ONly 70-80% sensitive
What do EBV antibodies target
Viral capsid antigen
What does IgM antibodies for EBV suggest
Rises eraly - acute infection
What does IgG antibodies for EBV show
Persists after condition
Suggests immunity