Key result
Strain rate imaging measures the timing and extent of myocardial deformation, providing more reliable information about the sequence of myocardial contraction than regional myocardial motion alone.
Strain rate imaging provides reliable information on myocardial deformation and contraction sequence, overcoming the tethering effects seen in simple myocardial motion analysis for CRT patient selection.
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May aid CRT dyssynchrony assessment beyond motion analysis; leaves open prospective outcome validation.
Ole A. Breithardt (2004) conducted a review in Heart failure (CRT candidates). Strain rate imaging / Doppler myocardial imaging was evaluated. Strain rate imaging measures the timing and extent of myocardial deformation, providing more reliable information about the sequence of myocardial contraction than regional myocardial motion alone.
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