THE BACTERIOLOGY OF SPUTUM IN COMMON NON-TUBERCULOUS INFECTIONS OF THE UPPER AND LOWER RESPIRATORY TRACTS, WITH
1Department of Clinical Pathology, Cornell University Medical College, New York.
Abstract:
1. In our examinations, only 38 per cent. of the infections of the respiratory tract below the glottis were pure, and this percentage was reached only by carefully following Kitasato's method of handling sputa. 2. Lobar pneumonia may produce sputum free from pneumococci, and may undoubtedly be caused by organisms other than thepneumococcus. 3. There is found a marked yearly variation in the organisms which excite inflammation of the respiratory tract. 4. Micrococcus catarrhalis is usually considered a common secondary invader; but it may, and probably frequently does, assume pathogenic properties.
Related Concept Videos
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
Sputum Studies II: Culture and Sensitivity
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
Microbiota of the Respiratory Tract
Pneumonia I: Introduction
Pneumonia I: Introduction
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...

