Of the diagnostic methods available for many years in studies on sodium sensitivity in hypertension, the assessment of sodium reabsorption in the proximal and distal renal tubules using endogenous ...
In the proximal tubule, calcium and sodium reabsorption are regulated in parallel, with a ratio of tubular fluid calcium to ultrafilterable calcium concentration ranging from 1.0 to 1.2. This ratio ...
PATIENTS with idiopathic orthostatic hypotension demonstrate various hemodynamic abnormalities in response to standing. Reflex peripheral vasoconstriction fails to occur normally, 1 venous return to ...
EXPERIMENTS performed during the past few years have demonstrated that the control of sodium excretion is not determined simply by changes in glomerular filtration and the secretion of aldosterone.
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