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T. S. DANOWSKI, M.D.

AMA Arch Intern Med. 1955;95(3):370-373.

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

In clinical usage the terms hypokaliemia and hypopotassemia are taken to indicate a lowering in the concentrations of this ion in serum or plasma below the usual range present in health, even though the words themselves refer to levels in blood. The lower limits of these sets of values are 3.3 mEq. per liter in growing children, in young adults, and in old men and women and above 4 mEq. per liter in newborn infants.* The fact that all of the potassium in serum is ultrafiltrable suggests that it is present entirely in the ionized form.¹ Hence lowered serum levels of this electrolyte can be taken to reflect comparable changes in the potassium concentration of the extracellular fluid as a whole, i. e., in the interstitial spaces as well as in the plasma. Such lowered levels of extracellular potassium may be present without any change in the total amount . . . [Full Text PDF of this Article]

Author Affiliations
Pittsburgh

From the Department of Research Medicine, Children's Hospital of Pittsburgh and the University of Pittsburgh School of Medicine.

Footnotes
Read in the Symposium on Electrolyte and Water Balance before the Section on Experimental Medicine and Therapeutics at the 103rd Annual Meeting of the American Medical Association, San Francisco, June 22, 1954.

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