Diurnal circadian rhythms of renal function and electrolyte excretion in heart failure.

  • 1 January 1979
    • journal article
    • case report
    • Vol. 6  (2) , 109-17
Abstract
Diurnal cycles of glomerular filtration rate (GFR), effective renal plasma flow (ERPF), and of excretion rates of sodium, potassium, magnesium, chloride and phosphate were measured in a 22 year old man with moderately severe heart failure under standardized conditions. Cycles of GFR, ERPF and excretion of potassium, chloride, and phosphate were indistinguishable from those of normals. The phases of the sodium and probably the magnesium excretory cycles were reversed from normal. The significance of some of the observations is discussed.

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