. Modern medicine and bacteriological review. ing from chronic bronchi-tis. In emphysema, prolonged expira-tory movement is due to the diminutionin the size of the small air tubes, requir-ing increased effort and a longer time for to the extreme degree which is seen incases of chronic emphysema. The increase of pressure desired maybe obtained either by the Waldenbergapparatus, or by some other form of pneu-matic apparatus, by the pneumatic cabi-net, or by a simple breathing-tube such aswas used by Dr. Fitch many years has been the practice of the writer formore than twenty years, to pla
. Modern medicine and bacteriological review. ing from chronic bronchi-tis. In emphysema, prolonged expira-tory movement is due to the diminutionin the size of the small air tubes, requir-ing increased effort and a longer time for to the extreme degree which is seen incases of chronic emphysema. The increase of pressure desired maybe obtained either by the Waldenbergapparatus, or by some other form of pneu-matic apparatus, by the pneumatic cabi-net, or by a simple breathing-tube such aswas used by Dr. Fitch many years has been the practice of the writer formore than twenty years, to place in thehands of patients suffering from diseasesrequiring lung development, a small glasstube of proper caliber, with directions forusing it a certain number of times daily,and for a given number of minutes eachtime. This method has been foundsomewhat inconvenient on account ofthe necessity of adapting the size of thetube to the requirements of each individ-ual case, and also the necessity of chang-ing the tube to meet the changed require-. 2.— Pneographic Tracing,— Woman with Asthma and Emphysema, the expulsion of the air than in normalindividuals. When carried to an extremedegree, as in emphysema, this action is,of course, detrimental, as the air cells be-come so over-stretched that their wallsare thinned and the blood vessels whichramify through them are obliterated, thuslessening the respiratory field and, pro-portionally, the efficiency and activity ofthe lungs in blood purification. nients of the patient during his progresstoward recovery. A variety of inhalingtubes have been proposed to meet thisexigency. A very excellent device forthe purpose is that of our friend, Dr. Den-nison, of Denver, which includes a cham-ber in which medicaments of various sortscan be placed to be inhaled at the sametime that the exhalation is being prac-ticed. ORIGINAL ARTICLES. 263 One purpose of this article is to call at-tention to a simple device, shown in theaccompanying cuts (
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