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Associated Electrolyte Changes and Subjective Symptoms

BENJAMIN B. OKEL, M.D.; J. WILLIS HURST, M.D.

Arch Intern Med. 1961;108(5):757-762.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

There are a number of reports concerning the physiological effects of voluntary hyperventilation in the human.^1-7 Hyperventilation has been said to be an extremely fatiguing activity. Accordingly, most of the previous studies on voluntary hyperventilators have been for relatively short periods of time. The purpose of this report is to point out our observations in 4 volunteers who hyperventilated for periods up to 4 hours and longer. Observations were made regarding (1) subjective symptoms and (2) changes in electrolytes. The fall of serum inorganic phosphorus concentration was so marked in our cases that we felt justified in reemphasizing this observation.

Procedure

By means of the Beckman Spinco infrared carbon dioxide analyzer, the alveolar CO₂ was monitored via an intranasal catheter and maintained in the range of 2.0% to 2.5% (or approximately one-half the normal level for these subjects). The rate and amplitude of respiration were constantly adjusted to . . . [Full Text PDF of this Article]

Author Affiliations
ATLANTA

From the Department of Internal Medicine, Emory University School of Medicine, and the Medical Service, Grady Memorial Hospital.; Fellow, Department of Internal Medicine, Emory University School of Medicine (Dr. Okel); Professor and Chairman, Department of Internal Medicine, Emory University School of Medicine, and Chief, Medical Service, Grady Memorial Hospital (Dr. Hurst).

Footnotes
Submitted for publication Oct. 26, 1960.

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