culture-negative endocarditis

Etiology

• Bartonella
• Coxiella burnetti

Laboratory

• urinalysis:
  • may show hematuria & pyruria of immune-complex glomerulonephritis
• rheumatoid factor may be positive

Radiology

• transthoracic echocardiogram
  • transesophageal echocardiogram if holosytolic murmur of mitral regurgitation

More general terms

• endocarditis