What is the sensitivity of TTE for identification of valvular lesions in infective endocarditis (IE)?

Updated: Jan 03, 2019
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

TTE (see the image below) has generally had a sensitivity of approximately 60% for identification of valvular lesions in patients with native valve endocarditis (NVE). However, sensitivity was as high as 82% in a recent series where advanced harmonic imaging and digital processing techniques were used. [73] TTE has a sensitivity of only 20% in patients with PVE.

This is a magnified portion of a parasternal long This is a magnified portion of a parasternal long axis view from a transthoracic echocardiogram. There is a small curvilinear vegetation on the mitral valve as indicated. The patient presented with a headache and fever, and CT scan of the brain revealed an occipital hemorrhage. The patient had a history of intravenous drug use and multiple blood cultures grew Staphylococcus aureus.

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