نتایج جستجو برای: time of imaging
تعداد نتایج: 21318126 فیلتر نتایج به سال:
Introduction: Chronometry of patients' workflow in emergency department (ED) is influenced by and influencing on many factors. This study was designed to calculate the chronometric indices of patients' workflow in ED of 7th Tir Martyrs Hospital of Tehran, and to determine their associated factors. Methods: In this cross-sectional study, the population study are 649 records of patients attending...
conclusion both techniques provided quantitatively consistent results of in vivo velocity vector fields in right internal carotid artery (rca). pc mri represented a good estimation of main flow patterns inside the vasculature, which seems to be acceptable for clinical use. however, limitations of each technique should be considered while interpreting results. subjects and methods mr imaging was...
one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...
Background: Conventional echocardiography and tissue Doppler imaging have been highlighted to diagnose diastolic and systolic heart dysfunction. We aimed to compare tissue Doppler imaging with conventional echocardiography to diagnose heart dysfunctions in diabetes mellitus type 1 (DMT1) patients. <s...
Introduction: The aim of this study was to evaluate the impact of measurement of coronary artery calcification score (CAC) in patients with suspected coronary artery disease (CAD) and a normal myocardial perfusion scan. Methods: In a prospective study we measured the calcium score of 74 patients (29 m, 45 f, mean age 58.7 (m) and 64.4 (f)) with suspicion of CAD and a normal perfusion scan. In ...
Spatial aliasing is an unwanted side effect that produces artifacts during seismic data processing, imaging and interpolation. It is often caused by insufficient spatial sampling of seismic data and often happens in CMP (Common Mid-Point) gather. To tackle this artifact, several techniques have been developed in time-space domain as well as frequency domain such as frequency-wavenumber, frequen...
Introduction: The use of ionizing radiation in diagnosis and treatment of diseases has become inevitable in most medical branches. One of the important sections in medicine is orthopedic surgery room, which also serves to operate many of bone injuries. The aim of this study was to measure the delivered doses to the patients undergoing orthopedic surgeries in common and high usage radiographic i...
tc-99m mibi has recently been used in the functional imaging of various tumors. this prospective study was performed to evaluate the role of tc-99m mibi imaging at the time of the initial staging, assessment of treatment response, follow-up studies and survaillance in hodgkin’s and non-hodgkin’s iymphoma. 25 patients (14 with hodgkin’s and 11 with non-hodgkin’s iymphoma) underwent 32 studies. t...
Abstract Background: The importance of timing lies on providing services, identifying the current status of service delivery, and determining the workload to improve productivity of the organization and the level of satisfaction of service providers and recipients. The aim of this study is to investigate the timing of patient's workflow, in order to identify the current state of service delive...
Background & Objectives: In spite of rapid development and arrival of newer medical imaging modalities such as computed tomography and magnetic resonance imaging, hysterosalpingography (HSG) has a great role among imaging techniques because of its enormous advantages. HSG is the standard screening test for the diagnosis of tubal infertility and can provide useful information about the uterine...
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