rheumatic fever Flashcards
what is rheumatic fever?
an inflammatory infection that starts at the throat by Group A B-Haemolytic Streptococci that is triggered after 2-4 weeks.
It is a streptococci pyogenes infection.
It is also a systemic infection
-> affects the connective tissue around the body; especially in the heart, joints, brain and skin.
what is the peak incidence?
5 and 15 years old
In some cases, rheumatic fever causes long-term damage to the heart and its valves
-> rheumatic heart disease.
what are 7 symptoms?
Fever
Arthralgia (pain in joints)
Arthritis (pain and inflammation of joints)
Carditis (inflammation of the heart and surroundings)
Erythema Marginatum (Red rash)
Sydenham’s Chorea (involuntary, semi-purposeful movements)
Subcutaneous Nodules
what do you use to diagnose it?
Revised Jones Criteria (there must be evidence of recent Streptococcus infection plus 2 Major criteria, or 1 Major and 2 Minor criteria)
what is the management?
Bed Rest (until CRP is normal, for two weeks, and possibly up to three months)
Aspirin 100mg/kg/d is divided doses over two days, then 70mg/day/d for six weeks
what is the secondary prophylaxis?
Secondary Prophylaxis:
Penicillin V 250mg/12h PO (5-year prophylaxis is sufficient unless they have carditis in which you would do 10-year prophylaxis, but if they have carditis AND persistent valvular disease then continue prophylaxis until 40y/o)