Rheumatic Heart Disease Flashcards
What is rheumatic fever?
Inflammatory changes in the heart and joints, sometimes also with neurological symptoms
Where is rheumatic fever still common?
India, Middle East and Central Africa
Who does rheumatic fever commonly effect?
Children aged 5-15yrs (boys>girls)
What are the presenting features of rheumatic fever?
‘Flitting (painful) polyarthritis of large joints (wrists, elbows, knees and ankles), skin rashes and fever
What features are likely to be present in the acute phase?
Pancarditis (inflammation affecting the endocardium, myocardium and pericardium) ad heart murmurs
Why do those with rheumatic fever end up with damage to the heart tissue?
Most patients have had a recent sore throat usually due to group a strep which causes a strong antibody reaction which may cross react with unknown antigens in the connective tissue
Where do the valvular heart diseases originate from?
Either from valvular stenosis, valvular incompetency or vegetations
What can pancarditis caused by rheumatic fever progress to?
Chronic rheumatic heart disease
What does inflammation of the endocardium and left sided valves cause?
Fibrinoid necrosis of the valve cusps/chordae tendineae over which small vegetations form
What does rheumatic heart disease cause?
Mitral stenosis. It can also cause mitral regurgitation, aortic stenosis and aortic regurgitation/incompetence