Basic Concepts of Fluid and Electrolyte Therapy
Basic Concepts of Fluid and Electrolyte Therapy
Basic Concepts of Fluid and Electrolyte Therapy
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Table 10: Examples <strong>of</strong> maintenance fluid regimens (2-2.5 l/day) suitable for a 70 kg<br />
person<br />
0.18% 0.45% Plasmalyte Ringer’s Hartmann’s Ster<strong>of</strong>undin<br />
saline in saline maintenance lactate (1 l) + 5% ISO<br />
4% (1-1.5 l) (1 l) + 5% dextrose (1 l) + 5%<br />
dextrose + 5% dextrose dextrose<br />
(2-2.5 l) dextrose (2-2.5 l) (1-1.5 l) (1-1.5 l) (1-1.5 l)<br />
(1 l)<br />
Water<br />
(l)<br />
2-2.5 2-2.5 2-2.5 2-2.5 2-2.5 2-2.5<br />
Na + 60-75 77-116 80-100 130 131 145<br />
(mmol)<br />
Cl – 60-75 77-116 80-100 109 111 127<br />
(mmol)<br />
K + Should Should 26-33 4 5 4<br />
(mmol) be be (Additional (Additional (Additional<br />
added added K should K should K should<br />
be added be added be added<br />
to the 5% to the 5% to the 5%<br />
dextrose) dextrose) dextrose)<br />
Dextrose 80-100 50 100-125 50-75 50-75 50-75<br />
(g)<br />
Ca 2+ 3 4 2.5<br />
(mmol)<br />
Lactate<br />
(mmol)<br />
Acetate<br />
(mmol)<br />
Malate<br />
(mmol)<br />
28 29<br />
32-40 24<br />
5<br />
Mg 2+ 3-4<br />
(mmol)<br />
53