837-2 Contrast improves endocardial border definition index in real-time 3-D echocardiography
نویسندگان
چکیده
منابع مشابه
Native tissue second harmonic imaging improves endocardial and epicardial border definition in dobutamine stress echocardiography.
AIMS Native tissue second harmonic imaging (SHI) implemented in two-dimensional (2D) echocardiography was found to improve left ventricular (LV) endocardial border delineation. Dobutamine stress echocardiography (DSE) depends on the ability to adequately visualize these borders. We analysed whether SHI, compared to fundamental imaging (FI), can improve echogenicity qualitatively and quantitativ...
متن کاملSparse 2 D Arrays for Real - Time 3 D Ultrasound
Existing 3D ultrasound systems are based on mechanically moving 1D arrays for data collection and post-processing of data to achieve 3D images. To be able to both collect and process 3D data in real-time, a scaling of the ultrasound system from 1D to 2D arrays is necessary. A typical 2D-system uses 1D arrays with about 100 receive and transmit channels. Scaling of this system to get a 3Dsystem ...
متن کاملEndocardial Tracking in Contrast Echocardiography Using Optical Flow
Myocardial Contrast Echocardiography (MCE) is a recent technique that allows to measure regional perfusion in the cardiac wall. Segmentation of MCE sequences would allow simultaneous evaluation of perfusion and wall motion. This paper deals with the application of partial differential equations (PDE) for tracking the endocardial wall. We use a variational optical flow method which we solve nume...
متن کاملSafety of dobutamine stress real-time myocardial contrast echocardiography.
OBJECTIVES The aim of this study was to determine the safety of dobutamine stress myocardial perfusion imaging (MPI) obtained by real-time contrast echocardiography (RTCE) and intravenous ultrasound contrast in a large cohort of patients with suspected coronary artery disease (CAD). BACKGROUND Despite the increasing number of studies showing the potential clinical utility of myocardial contra...
متن کاملReal-time, 3-D Graphics in Linux
The present generation of accelerated PC graphics adapters are capable rendering complex 3-D scenes in realtime. However, software support for these adapters has been slow to evolve in Linux. In this paper we describe our experiences in developing a software system that provides accelerated graphics support to the Mesa graphics library. The performance of accelerated Mesa is compared with that ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2004
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(04)91500-8