Bronchitis

inflammation of the air tubes feading to the pulmonary yesicles, accompanied by tet as tough, increase of temperature, and sorene of the chest anteriorly. The uneasy sensations begin about the region of the frontal sinuses, pa ing rom the nasal mucous pa ages, trachea, and windpipe to the chest, with hoarsene , cough, and expectoration; but in capillary bronchi ties the compe is dry and without expectoration. In acute cases the sputum is first thin, then opaque and tenacious, Lf purulent; the breathing is hurried and laborious, the pulse quickened, and the skin dry. The danger increases in proportion as the finer bronchial tubes become involved, and, instead of the healthy respiratory sound we have sharp, chirping, whistling notes, varying from sonorous to sibilant. The sharp sound is most to be feared, as arising in the smaller tubes; the grave, sonorous notes cman in the larger tubes.