Management of sodium disorders during continuous haemofiltration

Table 2 Effect of adding different volumes of water to replacement fluid

Volume of water added (ml)	Final volume of diluted replacement fluid (l)	[Na⁺] in diluted replacement fluid (mmol/l)	[HCO₃^-] in diluted replacement fluid (mmol/l)	[K⁺] in diluted replacement fluid containing 4 mmol/l
Nil	5	140	35	4.0
150	5.15	136	34	3.9
250	5.25	133	33	3.8
350	5.35	131	33	3.7
500	5.5	127	32	3.6
750	5.75	122	30	3.5
1,000	6.0	117	29	3.3
1,250	6.25	112	28	3.2

Effect of adding different volumes of water to a 5 l bag of replacement fluid with a Na⁺ concentration of 140 mmol/l. [Na⁺], sodium concentration; [HCO₃^-], bicarbonate concentration; [K⁺], potassium concentration.

ISSN: 1364-8535