Quantitative evaluations have been made of the chief anions and cations in plasma, urine, and pericardial fluid taken both from freshly captured goosefish and from those undergoing "laboratory diuresis." Measurements included: Na, K, Ca, Mg, Cl, SO(4), PO(4), protein, HCO(3), NH(3), pH, titratable acidity, freezing point depression, creatine, trimethylamine oxide, and plasma volume. The total p...

The estimation of the concentration of sodium and potassium in plasma is performed routinely by automatic analysis in most hospital laboratories and has been shown to be accurate and reproducible (Snodgrass, Fuwa, and Hviid, 1962). The range of concentrations of these electrolytes in urine is so wide that they cannot be estimated satisfactorily by this method. We have, therefore, modified the T...

Most causes of hypokalemia are obvious from the clinical picture and the values for plasma electrolytes. In cases with obscure etiology, a pretreatment estimation of urinary potassium and chloride often helps lead the clinician into new and fruitful avenues of clinical investigation. Here we present four cases of hypokalemia in which the pathogenesis was initially enigmatic but was clarified so...

This study was carried out to evaluate the effect of honey intake on bile secretion, bile electrolytes, bilirubin and cholesterol levels including plasma cholesterol in albino rats. 20 male albino rats (200-210 g) were used in the study. The rats were assigned randomly into 2 groups (control and honey-fed groups), each group containing 10 rats. The control was fed on normal rat feed and water w...

A method is presented for determining erythrocyte sodium and potassium concentration. Heparinized whole blood is separated into cellular and plasma fractions in large-bore capillary tubes. An aliquot of the erythrocyte fraction is then pipetted directly into lithium chloride diluent and the electrolytes determined flame photometrically. Plasma trapping is measured with ‘4C-inulin and correction...

Sodium selenite (1 mg/kg body weight, ip) for 10 consecutive days treatment showed marked increase in intra-erythrocytes K+ and plasma Na+ level while slight increase in Na+ K+ ATPase level. No mortality was observed at this dose of sodium selenite. However, sodium selenite pretreatment partially restored the Na+ K+ ATPase and intra-erythorcytes and plasma sodium level, while completely restore...

OBJECTIVE Ion selective electrodes (ISE) measure electrolytes by two different technologies, direct and indirect. We wished to investigate the effect of total plasma protein concentration on the plasma sodium, potassium and chloride measurements by indirect ISE compared with measurements by direct ISE. METHODS The evaluation of the objective was performed in a tertiary care hospital on patien...