Table 1 Arterial blood gas analyses at different time points during the hospital stay
From: Carbon dioxide narcosis due to inappropriate oxygen delivery: a case report
Time point (see text) | A, day 1 | B, day 1 | C, day 3 | D, day 4 | E, day 5 | F, day 30 |
|---|---|---|---|---|---|---|
O2 flow rate; mode of administration | 4 L/min.; non-rebreathing mask | 2 L/min.; nasal cannula | 2 L/min.; nasal cannula | 2 L/min.; non-rebreathing mask | 2 L/min.; nasal cannula | 2 L/min.; tracheal cannula |
pH (7.3–7.4) | 7.1 | 7.3 | 7.4 | 7.2 | 7.4 | 7.1 |
PaO2 (kPaa [11.1–14.4]) | 10.9 | 10.4 | 6.8 | 6.0 | 8.1 | 10.9 |
PaCO2 (kPaa [4.7–6.4]) | 20.0 | 9.3 | 7.8 | 15.8 | 8.3 | 20.7 |
Bicarbonate (mmol/L [24–31]) | 41.0 | 37.5 | 35.4 | 42.7 | 36.7 | 49.8 |
Base excess (-1.5 to +3.0) | 3.0 | 8.2 | 9.1 | 9.4 | 10.5 | 17.7 |
SaO2 (% [95.0–99.9]) | 89.4 | 92.5 | 84.8 | 70.3 | 88.6 | 94 |
Respiratory rate (L/min. [12–16]) | ND | 30 | 24 | Apneic | 30 | ND |