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SNa=serum sodium, SOsm=serum osmolality, UOsm=urine osmolality, AVP=arginine vasopressin, UNa=urine sodium, POCUS=point-of-care ultrasound, LVP=large volume paracentesis, GI=gastrointestinal. POCUS (+): presence of features of intravascular volume depletion. POCUS (−): absence of features of intravascular volume depletion.
