comparison of observations in the 22 patients with prosthetic valve endocarditis with those in 74 patients with active infective endocarditis involving natural left-sided cardiac valves revealed significant ( p less than 0.05 ) differences in the percent with ring abscess , hemodynamic consequences of the endocarditis ( valve stenosis ) , frequency of staphylococcus as the causative organism and percent with complete heart block or left bundle branch block .
C0014121
infective endocarditis
C0014118
endocarditis