<unk>  (serum sodium to urinary sodium to serum potassium to urinary potassium) and<unk>  (serum sodium to urinary sodium to (serum potassium)2 to urinary potassium) are calculated structure parameters of the renin–angiotensin-aldosterone system (RAAS). They have been developed to support screening for primary or secondary aldosteronism.
SUSPUP and SUSPPUP
DT-PACE
DCAP-BTLS
UPMC Central Pa
FCM 
IPP-SHR
CGM
NLM