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Table 1 Global LV mechanics in healthy dogs (n = 25)

From: Left ventricular strain distribution in healthy dogs and in dogs with tachycardia-induced dilated cardiomyopathy

  Baseline
Heart rate (bpm) 123 ± 26
LV end-diastolic volume (ml) 52 ± 8
LV end-systolic volume (ml) 20 ± 6
LVEF (%) 61 ± 8
Global longitudinal strain (%) -18 ± 4
Global circumferential strain (%) -17 ± 4
Global radial strain (%) 39 ± 20
Rotation (degree)  
Base -3.2 ± 1.4
Mid 2.1 ± 1.3
Apex 4.4 ± 1.5
Peak twist (degree) 8.1 ± 4.4
Positive peak twisting rate (degree/sec) 115 ± 49
Negative peak twisting rate (degree/sec) -121 ± 47