Table 4.
Left Ventricular Speckle Tracking Echocardiography.
| Concentric (Median (Range)) |
Eccentric (Median (Range)) |
Normal (Median (Range)) |
|
|---|---|---|---|
| GLS (%) | −16.9 (−14.9–20.6) | −17.9 (−13.0–22.1) | −16.9 (−12.8–19.4) |
| GLSr S (s−1) | −0.91 (−0.77–1.04) | −0.85 (−0.70–1.07) | −0.80 (−0.73–1.09) |
| GLSr E (s−1) | 1.32 (0.79–1.86) | 1.21 (0.70–1.63) | 1.29 (0.49–1.56) |
| GLSr A (s−1) | 0.53 (0.37–0.66) | 0.47 (0.28–0.95) | 0.41 (0.28–0.71) |
| GCS (%) | −18.1 (−13.6–24.5) | −18.7 (−15.6–22.4) | −18.0 (−13.5–19.7) |
| GCSr S (s−1) | −1.02 (−0.80–1.41) | −1.09 (−0.87–1.26) | −0.97 (−0.73–1.22) |
| GCSr E (s−1) | 1.45 (0.74–1.90) | 1.43 (0.90–1.82) | 1.28 (0.87–1.88) |
| GCSr A (s−1) | 0.37 (0.10–0.61) | 0.42 (0.18–0.75) | 0.35 (0.22–0.47) |
| GRS (%) | 42.2 (30.3–70.5) | 50.0 (39.2–60.0) | 40.6 (29.9–57.0) |
| GRSr S (s−1) | 2.00 (1.45–2.77) | 2.19 (1.62–2.89) | 2.05 (1.47–3.03) |
| GRSr E (s−1) | −2.62 (−1.79–4.32) | −2.99 (−2.09–3.99) | −2.69 (−1.63–4.92) |
| GRSr A (s−1) | −1.08 (−0.64–1.83) | −1.18 (−0.62–2.21) | −1.14 (−0.67–2.24) |
| Twist (°) | 14.9 (3.7–25.3) | 12.5 (6.3–20.8) | 13.2 (8.8–24.2) |
A, late diastole; E, early diastole; GCS, global circumferential strain; GCSr, global circumferential strain rate; GLS, global longitudinal strain; GLSr, global longitudinal strain rate; GRS, global radial strain; GRSr, global radial strain rate; S, peak systole.