Potassium is a mineral and an electrolyte which conducts electrical impulses throughout the body. 495 502june 1967 number volume place country unknowncode not available year sun jan 01 000000 est 1967 month sun jan 01.
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Measurement of body potassium. Measurements were made with two whole body radiation counters. After measurement of 40 k radiation from the body as described above calculation of total body potassium k for the data is required. Too little potassium can lead to serious health. Fat free mass can be estimated from the total body k based on any one of several conversion factors which may vary in men from 246 to 341g k per kg of fat free mass and in women from 228 to 316 grams per kilogram. Your body should maintain a specific amount of potassium in the blood ranging from 36 to 52. Electrolytes assist in essential body functions.
Potassium balances the effects of sodium and helps keep fluid levels within a certain range. Usefulness of bioelectric impedance and skinfold measurements in predicting fat free mass derived from total body potassium in children. Total body potassium measurement by whole body counter for estimation of lbm. The counting rates from each subject were measured before and after an oral dose of 42 k. Three of the men and one of the women were healthy volunteers and the remainder were patients with various diseases. From these observations a calibration factor f gkcount per min and an.
At articleosti4504821 title calibration of a whole body radioactivity counter for the measurement of body potassium content in clinical studies author hughes d and williams r e abstractnote doi journal clin. A potassium test also known as serum potassium is used to measure the amount of potassium in your blood. The counter consisted of six nai tl detectors that ranged from 76 to 127 cm in diameter and from 76 to 127 cm thick. Method the potassium contents of 13 men and 12 women were estimated with both counters using the 42k calibration technique. Schaefer f georgi m zieger a. The potassium contents of 13 men and 12 women have been estimated by measuring the rate of emission from the body of γ rays from the natural radioisotope 40 k.
Potassium is an electrolyte important for the functions of cells. Whole body potassium was measured by counting 40 k in a shadow shield whole body counter. More than 180 whole body counters were operational worldwide by the early 1970s with more than two thirds of these instruments used to measure body potassium in humans international atomic energy agency 1970. Measurement of body potassium 481 3.
Gallery of Measurement Of Body Potassium
