Parameter choice for an ion-exchange system for treating hyperkalemia
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1. Blood can be restored to its normal electrolyte composition by ion-exchange treatment in a mixed bed.
2. A model is given for the process that allows one to determine the balance between the ionic forms and the volume of the appropriate grade of resin in relation to the parameters of the medium, the output curves for the resin, and the amount of potassium to be removed.
3. Tests show that the model correctly predicts the volume of resin needed to give a product with the set amount of potassium removed while physiologically normal concentrations of Na, Ca, and Mg are maintained.
KeywordsPotassium Normal Concentration Ionic Form Output Curve Parameter Choice
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