نتایج جستجو برای: cardiac mri
تعداد نتایج: 375587 فیلتر نتایج به سال:
Medtronic CapSureFix MRI 5086 pacing lead (5086; Medtronic, Inc., Minneapolis, MN, USA) has been reported to be associated with increased cardiac perforation and lead dislodgement. This study aimed to compare the incidence of cardiac perforation and lead dislodgement within 30 days after pacemaker implantation between 5086 MRI lead and previous Medtronic CapSureFix Novus 5076 non-MRI pacing lea...
PURPOSE We aimed to evaluate the utility of cardiac magnetic resonance imaging (MRI) for the diagnosis of infective endocarditis (IE). METHODS Sixteen patients with a preliminary diagnosis of IE (10 women and six men; age range, 4-66 years) were referred for cardiac MRI. MRI sequences were as follows: echo-planar cine true fast imaging with steady-state precession (true-FISP), dark-blood fast...
Cardiac and pericardial masses may be neoplastic, benign and malignant, non-neoplastic such as thrombus or simple pericardial cysts, or normal variants cardiac structure can also be a diagnostic challenge. Currently, there are several imaging modalities for diagnosis of cardiac masses; each technique has its inherent advantages and disadvantages. Echocardiography, is typically the initial test ...
AIMS The apical ballooning syndrome (ABS) is a new diagnostic entity which is increasingly recognized. Precise magnetic resonance imaging (MRI) data are not yet available and there is little evidence for the differential diagnosis of ABS assessed by MRI. METHODS AND RESULTS Between January 2005 and January 2008, 6100 consecutive patients with diagnosis of acute coronary syndrome underwent lef...
Methods Seventy seven consecutive patients with multimodality imaging evaluation (echocardiography, 1.5T MRI and 99mTc-DPD scintigraphy) to diagnose cardiac amyloidosis were identified from the database of the French National Reference Center for Amyloidosis. Patients with pacemaker or severe renal failure did not undergo cardiac MRI and were analyzed on the basis of the echocardiography and sc...
Late gadolinium enhancement (LGE) cardiac magnetic resonance imaging (MRI) is very useful in distinguishing between myocardial infarction, in which the enhancement is typically subendocardial, and myocarditis, in which it is subepicardial (Figure 1). In addition, various patterns have been described with different cardiomyopathies, in some cases enabling a specific diagnosis without invasive wo...
Abstract—Quantification of cardiac function is performed by calculating blood volume and ejection fraction in routine clinical practice. However, these works have been performed by manual contouring, which requires computational costs and varies on the observer. In this paper, an automatic left ventricle segmentation algorithm on cardiac magnetic resonance images (MRI) is presented. Using knowl...
A 49-year-old female was referred for further evaluation of exercise-induced symptomatic 2nd degree 2 : 1 atrioventricular (AV) block (Mobitz type 2, Panel A). Several days of telemetric surveillance confirmed intermittent AV block but did not reveal evidence of any other arrhythmias. Coronary angiography showed normal coronary arteries. However, despite overall normal left ventricular ejection...
Cardiomyopathy is an important and frequently life limiting manifestation of Friedreich's ataxia (FA), the most prevalent form of autosomal recessive ataxia. Left ventricular mass is used as primary outcome measure in recent intervention studies but systematic analyses of FA cardiomyopathy are sparse. To assess cardiac hypertrophy by cardiac magnetic resonance imaging (MRI) in vivo, we assessed...
Primary cardiac tumors are rare. The commonest cardiac tumor is a metastatic deposit from primary malignancy elsewhere. Benign primary tumors constitute only a small proportion of all cardiac tumors. Depending on their location, cardiac tumors may interfere with cardiac contraction or cause obstruction to valvular flow. Others, located within the myocardium or attached to the atrial or ventricu...
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