Why the study?
Does velocity vector imaging (VVI) yield different measurements of left ventricular twist and torsion compared to tissue Doppler imaging (TDI) in healthy subjects?
Does velocity vector imaging (VVI) yield different measurements of left ventricular twist and torsion compared to tissue Doppler imaging (TDI) in healthy subjects?
Velocity vector imaging yields significantly lower measurements of left ventricular twist compared to tissue Doppler imaging in healthy subjects.
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VVI yields lower LV twist than TDI in healthy subjects; leaves open whether method-specific norms are needed before clinical or research use.
Ojaghi‐Haghighi et al. (2014) studied this question.