What is the prognosis

What is the prognosis?
The first episode of rheumatic fever may last for weeks to months. Joint disorder is almost always over. Heart inflammation can cause permanent flap failure. The disease is associated with increased mortality both in the acute phase (myocarditis) and after (valve failure).

The immediate mortality rate is 1-2%. Patients who receive damages of palpitation has also increased the risk for serious complications from the heart later.