نتایج جستجو برای: cardiac mri

تعداد نتایج: 375587  

2014
Shams Rashid Adam Plotnik Harold Litt Yuchi Han Stanislas Rapacchi Roderick H Tung Kalyanam Shivkumar J Paul Finn Peng Hu

Background Late gadolinium enhancement (LGE) cardiac MRI is the clinical gold standard for non-invasive characterization of myocardial scar [1]. However, up to 75% of patients who may benefit from LGE MRI have preexisting implanted cardiac devices such as implantable cardioverter defibrillators (ICD) and pacemakers (PM) [2]. The presence of an ICD produces hyper-intensity (HI) image artifacts i...

2013
Liam Mullen Janice Harper Sukumaran Binukrishnan

Cardiac involvement in Churg Strauss Syndrome is common and a poor prognostic indicator. Myocarditis in Churg Strauss Syndrome can present in different ways. It has been shown that basic cardiac investigations including echocardiography can be normal even in symptomatic patients. More recently cardiac magnetic resonance imaging (MRI) has been shown to be more sensitive in its diagnosis. Our cas...

Journal: :European Journal of Echocardiography 2023

Abstract Funding Acknowledgements Type of funding sources: None. Introduction The assessment aortic valve pathology using magnetic resonance imaging (MRI) typically relies on blood velocity estimates acquired phase contrast (PC) MRI. However, abnormalities in flow through the often manifest by dephasing signal gated balanced steady-state free precession (bSSFP) scans (cine MRI) [1]. This sugges...

Journal: : 2021

The article deals with changes in the brain (according to MRI data), and associated processes lungs abdomen CT occurring at clinical death, resulting subsequent recovery of cardiac activity.

2009

In the brain, results have been shown at 7T that are not achievable at lower field strengths. Cardiac imaging at 7T offers similar headline benefits to those images of the brain. More field strength gives more SNR, added to which more field strength increases the T1 and hence increases the effect of contrast agents. This simple idea is appealing in a grant application, but in reality 7T has som...

Journal: :Cermin Dunia Kedokteran 2023

Myxoma jantung merupakan tumor jinak primer yang paling umum, biasanya ada di atrium kiri dengan titik perlekatan daerah fossa ovalis. Modalitas pencitraan untuk diagnosis myxoma antaranya ekokardiografi, computed tomography (CT), magnetic resonance imaging (MRI). Cardiac is the most common primary benign heart tumor, usually in left with an attachment point ovalis area. Many modalities for car...

2012
John Heitner Geetha P. Bhumireddy Anna Lisa Crowley Jonathan Weinsaft Salman A. Haq Igor Klem Raymond J. Kim James G. Jollis

BACKGROUND Detecting and quantifying the severity of mitral regurgitation is essential for risk stratification and clinical decision-making regarding timing of surgery. Our objective was to assess specific visual parameters by cine-magnetic resonance imaging (MRI) in the determination of the severity of mitral regurgitation and to compare it to previously validated imaging modalities: echocardi...

Journal: :Cureus 2023

We present findings on cine magnetic resonance imaging (MRI) using steady-state free precession (SSFP) pulse sequences in a patient with pulmonary arteriovenous malformation (PAVM). The technique has the advantage of demonstrating pulsation lesions during cardiac cycle images. It may not replace but complement other MRI characterization selected cases. To our knowledge, no prior video images PA...

2015
Xianchao Xiu Lingchen Kong

It is challenging and inspiring for us to achieve high spatiotemporal resolutions in dynamic cardiac magnetic resonance imaging (MRI). In this paper, we introduce two novel models and algorithms to reconstruct dynamic cardiac MRI data from under-sampled k - t space data. In contrast to classical low-rank and sparse model, we use rank-one and transformed sparse model to exploit the correlations ...

Journal: :Circulation journal : official journal of the Japanese Circulation Society 2010
Tairo Kurita Masaki Tanabe Kakuya Kitagawa Katsuya Onishi Hideto Shimpo Hajime Sakuma Masaaki Ito

lthough transthoracic echocardiography is a well-established method of diagnosing vegetations in patients with infective endocarditis, its sensitivity for detection is relatively low and is operator-dependent. 1,2 We present a case of infective endocarditis in a patient with ventricular septal defect (VSD), diagnosed by cardiac magnetic resonance imaging (MRI). A 17-year-old man previously know...

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