Abstract
Summary
Magnesium chloride was infused into the renal artery of anesthetized dogs in order to determine its effect on renal function. Natriuresis and diuresis were observed during MgCl2 infusion, but there appeared to be no effect on glomerular filtration rate (GFR), or plasma sodium or potassium concentrations. Although mean arterial blood pressure and renal plasma flow (RPF) decreased throughout the experiment, the fall was not significant until after stopping MgCl2 infusion. A significant stimulation of renin secretion occurred during magnesium administration.
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