Why the study?
Does spectral tissue Doppler produce different myocardial velocity measurements compared to colour tissue Doppler?
Does spectral tissue Doppler produce different myocardial velocity measurements compared to colour tissue Doppler?
Spectral tissue Doppler yields significantly higher myocardial velocities and lower E/E' ratios compared to colour tissue Doppler, with differences accentuated by gain and temporal smoothing.
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TD velocity values are not interchangeable between spectral and colour methods; challenges cross-study comparisons and supports method-specific reference ranges.
Manouras et al. (2008) studied this question.
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