Infectious mononucleosis Flashcards
1
Q
Most common causative organism?
A
Epstein-Barr Virus
2
Q
Triad of symptoms?
A
Sore throat, fever and lymphadenopathy
3
Q
Where can lymphadenopathy occur?
A
Anterior and posterior triangles of the neck
4
Q
What can be seen inside the mouth?
A
Palatal petechiae
5
Q
Other less common causative organisms?
A
Cytomegalovirus and HHV-6
6
Q
Other symptoms?
A
- malaise
- anorexia
- headache
- splenomegaly (occurs in 50% of patients)
- hepatitis, transient rise in ALT
- lymphocytosis
- haemolytic anaemia secondary to cold agglutins (IgM)
7
Q
What may happen if patient is given an antibiotic e.g. ampicillin or amoxicillin?
A
99% patients develop a maculopapular, pruritic rash
8
Q
How long does it take for symptoms to typically resolve?
A
2-4 weeks
9
Q
Diagnostic test?
A
Heterophil antibody test (monospot test) and FBC in the second week of illness
10
Q
Management?
A
Rest, analgesia
11
Q
Advice on contact sports?
A
Avoid playing contact sports for 8 weeks due to increased risk of splenic rupture
