Table 1
From: Non-invasive two-point estimation of arterial PCO2 and alveolar deadspace
| Â | Â | Â | Â | Â | PaCO2 (kPa) | Â | Vd/Vt | ||
|---|---|---|---|---|---|---|---|---|---|
| Â | PCO2-a | etPCO2-a | PCO2-b | etPCO2-b | Â | Â | Â | Â | Â |
No. | (kPa) | (kPa) | (kPa) | (kPa) | calc. | measured | difference (%) | calc. | measured |
1 | 0 | 5.3 | 2.9 | 6.0 | 6.97 | 7.10 | -1.8 | 0.32 | 0.34 |
2 | 0 | 5.3 | 5.0 | 6.6 | 7.16 | 7.10 | +0.9 | 0.35 | 0.34 |
3 | 0 | 5.5 | 4.0 | 5.2 | 5.12 | 5.61 | -8.8 | -0.07 | 0.02 |
4 | 0 | 5.5 | 4.4 | 5.4 | 5.38 | 5.61 | -4.1 | -0.02 | 0.02 |
5 | 0 | 5.2 | 2.0 | 5.6 | 6.50 | 6.89 | -5.7 | 0.25 | 0.33 |
6 | 0 | 4.1 | 1.3 | 4.4 | 5.36 | 5.98 | -10.4 | 0.31 | 0.46 |
7 | 0 | 4.1 | 3.2 | 4.9 | 5.51 | 5.98 | -7.8 | 0.34 | 0.46 |
8 | 0 | 4.1 | 4.4 | 5.6 | 6.22 | 5.98 | +4.0 | 0.52 | 0.46 |