نتایج جستجو برای: tissue doppler study
تعداد نتایج: 4611933 فیلتر نتایج به سال:
Echocardiography is a well-established clinical tool for the assessment of myocardial function. However, in subclinical diseases, the routinely used echocardiographic parameters such as left ventricular (LV) ejection fraction (EF) and fractional shortening are not sensitive enough to detect myocardial dysfunction. We have learned over the past years that other echocardiographic techniques such ...
BACKGROUND Hypertension results in structural and functional changes in the heart. Early detection of abnormalities of cardiac structure and function is important in the assessment and treatment of hypertensive subjects. The aim of this study was to evaluate the utility of the tissue Doppler echocardiographic technique in characterising diastolic and systolic functions in untreated native black...
BACKGROUND AND PURPOSE Experimental and clinical data suggest that insonation of echo-contrast agents with high acoustical power produces disintegration of microbubbles, resulting in a pseudo-Doppler phenomenon called stimulated acoustic emission (SAE). The purpose of this study was to investigate whether SAE might be detected by transcranial color Doppler imaging and whether these signals migh...
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