the following observations were made on a series of 15 cases of bacterial endocarditis on congenital cardiac lesions admitted between 1971 and 1980 , in 13 patients aged 6 to 48 years old ( average 21 yrs old ) : -- the low but constant incidence of endocarditis -- the majority of causal lesions were ventricular septal defects of fallot 's tetralogy -- the portal of entry diagnosed in 2/3 of cases was usually dental -- the causal organism was a streptococcus in 80 % of cases -- the long period of pyrexia before , the diagnosis of endocarditis was made -- m mode , and above all , 2d echo detected vegetations in half the cases where it was performed -- the gravity of the immediate prognosis due to a 25 % mortality and a high incidence of complications -- early complications present in 2/3 of cases were dominated by true `` '' oslerian '' '' lesions , cardiac failure , cerebral complications , pulmonary embolism and early relapse .
C0018787
cardiac
C0014118
endocarditis