Indole spot tests using isolated, nonhemolytic colonies of Haemophilus species were positive for 90 of 151 (60%) respiratory isolates of Haemophilus influenzae, whereas 67 to 72 (93%) isolates of H. influenzae from cerebrospinal fluid and blood specimens were indole positive. Only 4 of 117 (3%) Haemophilus parainfluenzae isolates were positive for indole spot tests. Thus, indole-positive, nonhe...

Haemophilus influenzae pericarditis and empyema with thyroiditis in an adult. JAMA 1974;230:1426-7. 6 Keifaber RW, Bach RD, McDowell JA. Nonsurgical treatment of Haemophilus influenzae pericarditis in an adult. Am Heart J 1984;108: 168-9. 7 Duke M, Donovan TJ. Haemophilus influenzae pericarditis with cardiac tamponade. Am J Cardiol 1973;31:778-80. 8 Sheikh MU, Lee WR, Koh DS. Serial echographic...