منابع مشابه
ECG gated 3D single shot FSE with variable TR for non-contrast peripheral MRA at 3T
Background ECG gated 3D single shot fast spin echo (SSFSE) sequence can be used to acquire systolic and diastolic data and the subtracted image gives the arterial blood signal. This technique, also called Fresh Blood Imaging (FBI), has been applied to image the peripheral artery without contrast infusion, in which each slice encoding (SE) step is acquired in a fixed TR (TR=n*RR). Ideally, TR sh...
متن کاملAll-systolic non-ECG-gated stress perfusion CMR: improved visualization of subendocardial defects compared to conventional ECG-gated imaging
Background The effects of ischemia are first realized in the subendocardium and progress transmurally. Hence, detection of the transmural extent of myocardial perfusion (MP) defects has important diagnostic/prognostic implications. Systolic MP imaging using ECG-gated methods has been shown to provide improved visualization of subendocardial defects [1]. We developed an innovative non-ECGgated p...
متن کاملImaging of the Canine Heart Using Non ECG-Gated 16 and ECG-Gated 64 Multidetector Row Computed Tomography
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متن کاملDiagnostic accuracy of rest/stress ECG-gated Rb-82 myocardial perfusion PET: comparison with ECG-gated Tc-99m sestamibi SPECT.
BACKGROUND Although single photon emission computed tomography (SPECT) and positron emission tomography (PET) myocardial perfusion imaging (MPI) have evolved considerably over the last decade, there is no recent comparison of diagnostic performance. This study was designed to assess relative image quality, interpretive confidence, and diagnostic accuracy by use of contemporary technology and pr...
متن کاملVolumetric assessment of pulmonary nodules with ECG-gated MDCT.
OBJECTIVE The objective of our study was to assess physiologic lung deformation and compression originating from cardiovascular motion and their subsequent impact on determining the volume of small pulmonary nodules throughout the cardiac cycle on ECG-gated MDCT. SUBJECTS AND METHODS Seventy-three small noncalcified pulmonary nodules were identified in 30 patients who underwent ECG-gated MDCT...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1994
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00003326107