Table 1.
Arterial Blood Gases, Pressure Measurements, and Hemodynamic Calculations
| 35% Oxygen | 100% Oxygen | 100% Oxygen Nitric Oxide 20 ppm |
100% Oxygen | 100% Oxygen Nicardipine 3 μg/kg/min |
|
|---|---|---|---|---|---|
| pH | 7.39 | 7.41 | 7.40 | 7.41 | 7.39 |
| Pao2, mm Hg | 101 | 308 | 349 | 356 | 309 |
| mPAP, mm Hg | 51 | 49 | 39 | 47 | 43 |
| mLAP, mm Hg | 7 | — | — | — | — |
| mSAP, mm Hg | 47 | 49 | 44 | 52 | 47 |
| mRAP, mm Hg | 7 | — | — | — | — |
| CI, l/min/m2 | 3.09 | 2.72 | 2.81 | 2.65 | 2.72 |
| Rp, U·m2 | 14.2 | 15.4 | 11.4 | 15.1 | 13.2 |
| Rs, U·m2 | 12.9 | 15.4 | 14.4 | 17.0 | 14.7 |
CI = cardiac index; mLAP = mean left atrial pressure; mPAP = mean pulmonary arterial pressure; mRAP = mean right atrial pressure; mSAP = mean systemic arterial pressure; Pao2 = systemic arterial oxygen tension; Rp = pulmonary vascular resistance index; Rs = systemic vascular resistance index.