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. 2022 Oct 4;16:352. doi: 10.1186/s13256-022-03617-y

Table 3.

Capillary blood gases and electrolytes

Parameters Day 1 Day 2 Day 3 Day 6 Day 8 Day 11
Ph (7.35–7.45) 7.47 7.46 7.56 7.49 7.53 7.45 7.4
pCO2 (34–46 mmHg) 27 33 24 35 34 39 32
pO2 (80–105 mmHg) 51 51 98 57 68 54 74
Na+ (130–145 mmol/L) 129 130 131 134 139 137 135
K+(3.4–5.1 mmol/L) 4.5 3.8 3.5 3.5 3.5 2.6 3.5
Ca++(1.17–1.24 mmol/L) 1.15 1.21 0.95 1.17 1.15 1.19 1.19
HCO3 (22–26 mmol/L) 19.7 23.5 21.5 26.7 28.4 27.1 25.3
BE (−4 to +2 mmol/L) −4 −0.3 −0.7 3.4 5.7 3.1 2.2

Ph: acid-base balance of the blood; pCO2: partial pressure of carbon dioxide; pO2: partial pressure of oxygen; Na: sodium; K: potassium; Ca: calcium; HCO3: bicarbonate; BE: base excess.