[Current approaches to the early diagnosis of primary subacute infectious endocarditis]

A study of 22 patients with a diagnosis of primary infectious endocarditis based on clinical, laboratory and instrumental (electro-, phono- and echocardiography) investigation showed the fever syndrome and rigors to be the main clinical manifestations of the disease. Echocardiography can contribute to its early diagnosis, while increased erythrocyte sedimentation rate remains the most valuable diagnostic test.