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Table 2 O2 saturation and lactate concentration of paired RA and PA blood samples

From: Lactate concentration gradient from right atrium to pulmonary artery

 

RA blood

PA blood

Gradient (Δ)

O2 saturation (%)

74.2 ± 9.1 (53.1, 94.3)

69.0 ± 10.4a (47.3, 90.5)

5.2 ± 4.8 (-8.1, 14.9)

Lactate concentration (mmol.l-1)

3.9 ± 3.0 (0.6, 11.7)

3.7± 3.0a (0.3, 11.9)

0.2 ± 0.2 (-0.3, 0.7)

  1. aP < 0.001 when comparing atrial to mixed venous blood by paired t-test. Mean ± SD; range shown in parenthesis; n = 45. RA, right atrium; PA, pulmonary artery.
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Critical Care

ISSN: 1364-8535