The Use of Portal Vein Pulsatility to Differentiate Hypervolemic and Hypovolemic Hyponatremia

Table 1

	Na	K	Cl	BUN	Cr	CO2	NT-ProBNP
Day 1	115 meq/L	5.3 meq/L	88 meq/L	19 mg/dl	0.8 mg/dl	12 meq/L	12100 pg/ml
Day 3	131 meq/L	3.0 meq/L	100meq/L	11 mg/dl	0.5 mg/dl	31 meq/L

Na: sodium, K: potassium, Cl: chloride, BUN: blood urea nitrogen, Cr: creatinine, CO2: blood carbon dioxide, and NT-ProBNP: N-terminal pro b-type natriuretic peptide.