<unk>  <unk>  is the mass concentration of<unk>  divided by the plasma<unk>  activity or by serum<unk>  concentration in blood. The<unk><unk><unk>  is recommended as screening tool for primary hyperaldosteronism.
Aldosterone-to-renin ratio
Plasma renin activity
Captopril suppression test
Renal clearance ratio
Fractional excretion of sodium
Urine osmolality
Urine urea nitrogen
Ventricular natriuretic peptide