TESTING FOR ANTIBIOTIC SENSITIVITY IN A GENERAL HOSPITAL

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Abstract
Sensitivity to penicillin, aureomycin, chloramphenicol, terramycin, streptomycin, dihydrostreptomycin, and bacitracin was tested with the disk method on 330 microbial strains collected from a var. of conditions in a general hospital. About 75% of the cases had been treated with one or several antibiotics prior to bacteriological examination. Numerous instances of unexpected resistance were noted for streptococci, staphylococci, and the various members of the "enteric" group. There was a high incidence of unusual organisms isolated from blood cultures and local sites of infection. Correlation between outcome of the tests and clinical response was good. Information obtained by testing was often helpful in determining the most effective therapeutic agent. The presently prevailing circumstances increased rather than decreased the need for individual bacteriological examination of infections and for testing of antibiotic sensitivity.