Why the study?
Does pulsed wave Doppler tissue imaging (PW-DTI) measure the same isovolumetric relaxation time of the right ventricle (RV-IVRT) as the standard pulsed wave Doppler (PW) method in patients?
Does pulsed wave Doppler tissue imaging (PW-DTI) measure the same isovolumetric relaxation time of the right ventricle (RV-IVRT) as the standard pulsed wave Doppler (PW) method in patients?
PW-DTI and standard PW Doppler do not measure the same RV-IVRT interval, necessitating different reference values for assessing RV diastolic function.
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Supports method-specific RV-IVRT references for RV diastolic assessment; leaves open outcome validation before clinical adoption.
Emilsson et al. (2004) studied this question.