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Article
October 1921

STUDIES IN OXYGEN THERAPYIII. IN AN EXTREME TYPE OF SHALLOW BREATHING OCCURRING IN LETHARGIC ENCEPHALITIS

Arch Intern Med (Chic). 1921;28(4):421-425. doi:10.1001/archinte.1921.00100160056003
Abstract

The effects of oxygen inhalation on types of anoxemia frequently present in clinical disease, as those associated with cardiac insufficiency and pneumonia, have been described in Papers I and II of this series. The terminal development in two cases of lethargic encephalitis of a rare type of shallow breathing resulted in sudden extreme arterial anoxemia and carbon dioxid retention in arterial and venous blood. The effects of oxygen inhalation on the blood gases and on the clinical signs are reported in this paper.

REPORT OF CASES  Case 25 (Table 2).—. S., white, male, auto repairer; age, 25 years.Diagnosis.—Lethargic encephalitis.History.—Two weeks before entry, patient had right temporal headache. This was followed by pains in both arms and across the abdomen. During the three days prior to admission he developed fever, insomnia, blurring of vision and dropping of left eyelid.Physical Examination. — Jan. 8, 1921: Temperature, 101 F.; pulse,

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