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21 results for “Echocardiograph”
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Research ArticleOpen accessEvery word in the titleVoice Activation Visualization for Echocardiograph and 3D Angiographic Images in SurgeryRahmita W. Rahmat, Mohd Z. Dimon, Zinah R. Hussein, Hasan H. KhalilIn some cases, surgeons need to navigate through the computer system for reconfirmation patients’ details and unfortunately surgeons unable to manage both computer system and operation at the same time. In this paper we propose a solution for this problem especially designed for heart surgeon, by introducing voice activation system with 3D visualization of Angiographic images, 2D visualization of Echocardiography … …Journal of Computer Science, Vol. 8, Issue 11 · 9 Oct 2012 · 8,293 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEchocardiographic Pulmonary to Left Atrial Ratio in Dogs (ePLAR): A Differential Marker of Pre- and Postcapillary Pulmonary HypertensionDmitrij Oleynikov, Ma YiPulmonary Hypertension (PH) in dogs is a complicated syndrome that could be primary, due to idiopathic or genetic causes, or secondary due to pulmonary disease, pulmonary thromboembolism, heartworm disease, heart failure. Due to the inability of the routine use of right heart catheterization in veterinary patients, there is a lack of differential criteria between PH forms. This study was performed … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 1 · 17 Feb 2022 · 6,791 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleEchocardiography in Infective Endocarditis: An Update on its Usefulness: How, When, How Much and Where?Josep Maria Frigola, Sergio Moral, Pau Vilardell, Ramon BrugadaEchocardiography is the main imaging technique in the diagnosis of Infective Endocarditis (IE). In 85-90% of cases this diagnosis is based on some echocardiographic criteria. Transthoracic echocardiography is an inexpensive test, quickly accessible without side effects, which has become the initial imaging technique of choice in the diagnosis of IE, as well as in the assessment of complications and follow-up. … …American Journal of Infectious Diseases, Vol. 17, Issue 2 · 27 May 2021 · 7,631 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleSegmentation Methods of Echocardiography Images for Left Ventricle Boundary DetectionSamaneh Mazaheri, Rahmita Wirza, Puteri Suhaiza Sulaiman et al.Due to acoustic interferences and artifacts which are inherent in echocardiography images, automatic segmentation of anatomical structures in cardiac ultrasound images is a real challenge. This paper surveys state-of-the-art researches on echocardiography data segmentation methods, concentrating on methods techniques developed for clinical data. We present a classification of methodologies for echocardiography image segmentation. By choosing ten recent papers which have … …Journal of Computer Science, Vol. 11, Issue 9 · 6 Dec 2015 · 7,054 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCAVITY SEGMENTATION AND STROKE VOLUME MEASUREMENT METHODS FROM ECHOCARDIOGRAPHIC IMAGES: REVIEWAnas A. Abboud, Rahmita Wirza Rahmat, Suhaini Bin Kadiman et al.The complexity and criticality of heart disease diagnosis and treatment have frequently attracted the attention of researchers to develop approaches that can handle accurate clinical assessments. One of these complexities is measuring the Right Ventricle stroke volume. Therefore, different cardiac imaging techniques have been developed to help specialists in their regular clinical work and in the operating theatre to assist … …Journal of Computer Science, Vol. 10, Issue 11 · 20 Dec 2014 · 8,410 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAutomatic Detection of the End-Diastolic and End-Systolic from 4D Echocardiographic ImagesAnas A. Abboud, Rahmita Wirza Rahmat, Suhaini Bin Kadiman et al.Accurate detection of the End-Diastolic (ED) and End-Systolic (ES) frames of a cardiac cycle are significant factors that may affect the accuracy of abnormality assessment of a ventricle. This process is a routine step of the ventricle assessment procedure as most of the time in clinical reports many parameters are measured in these two frames to help in diagnosing and … …Journal of Computer Science, Vol. 11, Issue 1 · 25 Aug 2014 · 8,500 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Assessment of Echocardiography as a Diagnostic Tool for Dilated Cardiomyopathy in Turkey (Meleagris gallopavo)Davida Kamara, Kwaku Gyenai, Tuoyu Geng et al.Our understanding of the etiology of Dilated Cardiomyopathy (DCM), which affects about 5% of turkeys, is limited. This limitation may be due to the lack of an easy-to-use diagnostic tool with well-defined parameters and does not involve necropsy. This lack of a widely tested non-necropsy method makes it difficult for a large-scale study of the genetic factors that underlie DCM. … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 3 · 15 Aug 2012 · 8,451 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAutomatic Boundary Detection of Wall Motion in Two-dimensional Echocardiography ImagesFaten Abed Ali Dawood, Rahmita Wirza Rahmat, Mohd Zamrin Dimon et al.Problem statement: Medical image analysis is a particularly difficult problem because the inherent characteristics of these images, including low contrast, speckle noise, signal dropouts and complex anatomical structures. An accurate analysis of wall motion in Two-dimensional echocardiography images is “important clinical diagnosis parameter for many cardiovascular diseases”. A challenge most researchers faced is how to speed up the clinical decisions … …Journal of Computer Science, Vol. 7, Issue 8 · 15 Jul 2011 · 8,188 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMyocardial Motion Analysis of Echocardiography Images using Optical Flow Radial Direction DistributionSlamet Riyadi, Mohd Marzuki Mustafa, Aini HussainProblem statement: Myocardial motion is important information for physicians in diagnosing cardiac abnormalities. The motion vector of myocardial can be computed using optical flow technique, which then can be further analyzed based on its magnitude and angle. In practice, physicians are not concern about the angle of vector itself, but are more interested on whether a segment is moving to … …Journal of Computer Science, Vol. 7, Issue 7 · 28 Jun 2011 · 6,635 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePerinatal Cardiovascular Evaluation in Dorper Sheep Echocardiographic Description and Behavior of the Heart Rate Variability on the FieldAmanda Sarita Cruz Aleixo, Mayra de Castro Ferreira Lima, Ana Luísa Holanda de Albuquerque et al.The heart is innervated by the autonomic nervous system, with a predominance of sympathetic and parasympathetic activity associated, respectively, with increases and decreases in the heart rate, as illustrated by the Heart Rate Variability (HRV). Pregnancy induces significant changes in the maternal cardiovascular and hemodynamic systems. This study aimed at evaluating changes in the clinical and echocardiographic parameters of pregnant … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 4 · 3 Nov 2021 · 6,518 accessesView PDFCite