Table 1.
Echocardiographic measurements (n = 63).
| Variable | N | Mean (SD) | (Min–max) |
|---|---|---|---|
| LVIDd (cm) | 61 | 4.4 (0.5) | (3.1–5.6) |
| LVIDs (cm) | 56 | 2.8 (0.5) | (1.7–4.0) |
| PWT (cm) | 62 | 0.9 (0.2) | (0.6–1.6) |
| IVS (cm) | 62 | 0.9 (0.2) | (0.1–1.4) |
| LVEDA (cm2) | 55 | 14.9 (4.3) | (6.2–24.7) |
| LVESA (cm2) | 55 | 5.3 (2.0) | (1.5–11.5) |
| LVEDA index (cm2/m2) | 55 | 7.5 (1.9) | (3.0–12.1) |
| IVCmax (cm) | 50 | 1.8 (0.4) | (1.0–2.6) |
| IVCmin (cm) | 50 | 1.2 (0.5) | (0.4–2.4) |
| Collapsibility index (%) | 50 | 36.0 (21.1) | (6.4–100.0) |
| Time to complete TTE exam (seconds) | 63 | 483.0 (215.5) | (120.0–1175.0) |
IVS, interventricular septum; IVCmax, maximal diameter of the inferior vena cava; IVCmin, minimal diameter of the inferior vena cava; LVIDD, left ventricle internal diameter at end of diastole; LVIDS, left ventricular internal diameter at end of systole; PWT, posterior wall thickness.