نتایج جستجو برای: cardiac imaging techniques
تعداد نتایج: 1282317 فیلتر نتایج به سال:
UNLABELLED Given the limited regenerative capacity of the heart, cellular therapy with stem cell-derived cardiac cells could be a potential treatment for patients with heart disease. However, reliable imaging techniques to longitudinally assess engraftment of the transplanted cells are scant. To address this issue, we used ferumoxytol as a labeling agent of human embryonic stem cell-derived car...
Introduction: Poor sensitivity and poor signal to noise ratio because of low injected thallium dose and presence of scattered photons are the main problems in using thallium in scintigraphic imaging of the heart. Scattered photons are the main cause of degrading the contrast and resolution in SPECT imaging that result in error in quantification. Thallium decay is ve...
Introduction: Cine or multi-phase cardiac imaging offers a variety of applications such as assessment of global cardiac function, measurement of the heart wall motion with phase contrast [1] or tagging techniques [2] as well as determination of flow inside the ventricular system. Here, we present two fast imaging methods for assessment of myocardial motion: Interleaved Echo Planar Imaging (EPI)...
Cardiac involvement in various systemic conditions, such as inflammatory diseases (sarcoidosis and transplant rejection), storage diseases (amyloidosis, Fabry disease, and haemochromatosis), or cancer chemotherapy, is increasingly recognized as a key factor limiting patient survival. To guide preventive measures and therapy, early and accurate diagnosis of cardiac involvement is desired. This, ...
introduction: using pan or selective computed tomography (ct) scan in management of multiple trauma patient is a matter of debate. therefore, the present study was designed aiming to compare the findings of pan and selective ct scans in management of multiple trauma patients. method: this is a prospective cross-sectional study, on patients presented to the emergency department (ed) of shohadaye...
conclusions according to our multimodality imaging approach, hypertrophic cardiomyopathy was the most probable diagnosis. case presentation we describe a 73-year-old woman referred to us for consultation because of a giant negative t wave on her electrocardiography. echocardiography revealed diffuse severe hypertrophy associated with hypertrophied anterolateral papillary muscles with a bifid he...
Echocardiographic imaging is ideally suited for the evaluation of cardiac mechanics because of its intrinsically dynamic nature. Because for decades, echocardiography has been the only imaging modality that allows dynamic imaging of the heart, it is only natural that new, increasingly automated techniques for sophisticated analysis of cardiac mechanics have been driven by researchers and manufa...
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