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Relation of myocardial mechanics in severe aortic stenosis to left ventricular ejection fraction and response to aortic valve replacement.
Decreased left ventricular (LV) longitudinal strain and increased circumferential LV strain have been demonstrated in patients with severe aortic stenosis (AS) and normal LV ejection fraction (LVEF).Expand
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Global longitudinal strain: a novel index of left ventricular systolic function.
BACKGROUND Echocardiographic estimation of global left ventricular (LV) function is subjective and time consuming. Our aim was to develop a novel approach for assessment of global LV function fromExpand
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Accuracy of 16-row multidetector computed tomography for the assessment of coronary artery stenosis.
CONTEXT Multidetector computed tomography (MDCT) has been proposed as a noninvasive method to evaluate coronary anatomy. OBJECTIVE To determine the diagnostic accuracy of 16-row MDCT for theExpand
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Heart failure with a normal ejection fraction.
To the Editor: In a recently published article in Circulation , Dr Zile and colleagues1 evaluated patients with a history of heart failure (HF) and a normal left ventricular (LV) systolic function.Expand
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Electromechanical characterization of chronic myocardial infarction in the canine coronary occlusion model.
BACKGROUND Defining the presence, extent, and nature of the dysfunctional myocardial tissue remains a cornerstone in diagnostic cardiology. A nonfluoroscopic, catheter-based mapping technique thatExpand
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Ischemic mitral regurgitation and risk of heart failure after myocardial infarction.
BACKGROUND The development of ischemic mitral regurgitation (MR) after myocardial infarction may impose hemodynamic load during a period of active left ventricular remodeling and promote heartExpand
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Is functional improvement after myocardial infarction predicted with myocardial enhancement patterns at multidetector CT?
PURPOSE To prospectively evaluate the sensitivity of myocardial early perfusion defects (EDs) and late enhancement (LE) at multidetector computed tomography (CT) following acute myocardial infarctionExpand
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Echocardiography-based spectrum of severe tricuspid regurgitation: the frequency of apparently idiopathic tricuspid regurgitation.
BACKGROUND The cause of tricuspid valve (TV) regurgitation (TR) occasionally remains unclear. The objectives of our study were to define the causal spectrum of severe TR diagnosed by echocardiographyExpand
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Pulmonary hypertension, right ventricular function, and clinical outcome in acute decompensated heart failure.
BACKGROUND Pulmonary hypertension (PH) and right ventricular (RV) dysfunction have been associated with adverse outcome in patients with chronic heart failure. However, data are lacking in theExpand
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Relationship of functional mitral regurgitation to new-onset atrial fibrillation in acute myocardial infarction
Background/objective The role of factors that increase left atrial pressure or cause acute left atrial dilatation is frequently emphasised in the pathogenesis of atrial fibrillation (AF) in patientsExpand
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