Unmeasured losses of potassium in balance studies.
A comparison of changes in body K content calculated from metabolic balance and from 40K counting shows that the former technique overestimates K retention and underestimates K losses. The disparity in results by the two methods increases with increasing K intakes.
D000328:Adult; D004305:Dose-Response Relationship, Drug; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011188:Potassium / Q000008:administration & dosage / Q000378:metabolism*; D011197:Potassium Radioisotopes; D014915:Whole-Body Counting / Q000592:standards*
D011197:Potassium Radioisotopes; D011188:Potassium