Echocardiographic parameters, contrasting low-to-intermediate and high probability of acute pulmonary hypertension (PH)
| Probability of PH | p-value | ||
| Low to intermediate | High | ||
| Patients | 27 | 7 | |
| Heart rate, beats·min−1 | 107 (86–113) | 96 (83–117) | 0.90 |
| Left atrial surface, cm2 | 20 (18–24) | 22 (20–26) | 0.33 |
| Right atrial surface, cm2 | 15 (13–17) | 17 (14–20) | 0.23 |
| End-diastolic ventricular area ratio | 0.56 (0.52–0.63) | 0.64 (0.58–0.71) | 0.09 |
| E wave at the mitral level, cm·s−1 | 94 (79–103) | 106 (84–120) | 0.3 |
| A wave at the mitral level, cm·s−1 | 68 (57–83) | 68 (49–95) | 0.88 |
| E/A ratio | 1.4 (1.1–1.7) | 1.4 (1.3–1.9) | 0.64 |
| Lateral Ea wave, cm·s−1 | 17 (15–20) | 16 (15–24) | 0.78 |
| E/Ea ratio | 5.3 (4.2–6.9) | 5.2 (4.7–7.0) | 0.83 |
| LVEF, % | 63 (60–67) | 57 (55–65) | 0.15 |
| Cardiac index, L·min−1·m−2 | 3.2 (2.9–3.6) | 3.2 (2.8–4.1) | 0.97 |
| TAPSE, cm | 25 (21–29) | 25 (22–25) | 0.63 |
| Tricuspid annular peak systolic velocity (s′), cm·s−1 | 17 (15–19) | 19 (14–21) | 0.47 |
| Peak tricuspid regurgitation velocity, m·s−1 | 2.6 (2.5–2.8) | 3.1 (3.0–3.4) | 0.0001 |
| Right ventricular outflow Doppler acceleration time, s | 113 (94–125) | 91 (81–109) | 0.04 |
| Inferior cava diameter, mm | 11 (8–17) | 16 (14–18) | 0.31 |
| Systolic pulmonary artery pressure, mmHg | 31 (29–37) | 44 (39–51) | 0.0003 |
Data are presented as n or median (interquartile range), unless otherwise stated. LVEF: left ventricular ejection fraction; TAPSE: tricuspid annular plane systolic excursion.