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Hemodynamic measurements at baseline and during the inhalation of 20 ppm nitric oxide (NO) and 5 μg of iloprost.
| Variables | Baseline | Inhaled NO | Iloprost |
| Ppa, mmHg | 62 | 45 | 36 |
| Ppao, mmHg | 9 | 11 | 10 |
| Pra, mmHg | 7 | 6 | 7 |
| Q, L/min | 4.8 | 4.5 | 5.3 |
| PVR, WU | 11.0 | 7.6 | 4.9 |
Abbreviations: Ppa = mean pulmonary artery pressure. Ppao = pulmonary occluded pulmonary artery pressure. Pra = right atrial pressure. Q = cardiac output. PVR = pulmonary vascular resistance.
