نتایج جستجو برای: strain imaging
تعداد نتایج: 669097 فیلتر نتایج به سال:
background recently, assessment of the atrial motion and deformation indices obtained via doppler myocardial imaging (dmi) has been proposed as a new method of exploring the atrial function. objective our aim was to assess the right atrial (ra) regional function using myocardial velocities, strain, and strain rate imaging (sri) and compare it with the function of the inter-atrial septum (ias) a...
OBJECTIVE Cardiac failure due to iron overload remains the most common cause of death in patients with beta-thalassemia major. This study aimed to evaluate myocardial function in children with beta-thalassemia major using standard echocardiography technique and strain rate imaging. MATERIALS AND METHODS Conventional echocardiographic analysis, tissue velocity imaging, and strain/strain rate i...
The accurate identification of tumor margins during neurosurgery is a primary concern for the surgeon in order to maximize resection of malignant tissue while preserving normal function. The use of preoperative imaging for guidance is standard of care, but tumor margins are not always clear even when contrast agents are used, and so margins are often determined intraoperatively by visual and ta...
Hypertrophic cardiomyopathy (HCM) is a frequently recognized condition on echocardiography. The apical variant, also known as 'Japanese variant', is rare and often poses a diagnostic challenge. There has been a resurgence of interest in the diagnosis of HCM especially with the advent of novel imaging modalities such as strain imaging. Two-dimensional (2D) strain echocardiography calculates tiss...
The use of hand-held ultrasound strain imaging for the intra-operative real-time visualization of HIFU (high-intensity focused ultrasound) ablations produced in the liver by a toroidal transducer was investigated. A linear 12 MHz ultrasound imaging probe was used to obtain radiofrequency signals. Using a fast cross-correlation algorithm, strain images were calculated and displayed at 60 frames ...
Abstract Purpose of Review Resistant hypertension (RH) is a major contributor to cardiovascular diseases and associated with increased all-cause mortality. Cardiac changes such as impaired left ventricular (LV) function, hypertrophy (LVH), myocardial fibrosis, enlarged atrium (LA) are consequences chronic exposure an elevated blood pressure. The purpose this review article demonstrate the poten...
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