[Ultrasonographic examination of the heart as a basis for determining the cause of inflammatory infiltration changes in the lungs].

Diagnostic difficulties found in a 41 year old female presenting with fever, chills, fainting spells, tachycardia, hypotension, interstitial consolidation in both lungs and enlargement of the cardiac silhouette on a chest radiogram are discussed. Unsuccessful antibacterial and antituberculous therapy led to a supposition of a collagen disease. The diagnosis of a bacterial endocarditis with bacterial pulmonary emboli was made basing on determination of bacterial vegetation on cusps of the tricuspid valve.