نتایج جستجو برای: ventriculography
تعداد نتایج: 1368 فیلتر نتایج به سال:
We present 4D images of hypertrophied myocardium in patients with essential hypertension, hypertrophic cardiomyopathy with asymmetrical septal hypertrophy, and apical hypertrophic cardiomyopathy using helical computed tomography (CT) ( Figures 1 through 4). Previously, we reported on 4D CT-ventriculography, which can assess right and left ventricular morphology and motion.1 In 4D ventriculograp...
OBJECTIVES Left ventricular ejection fraction can be measured by a variety of invasive and non-invasive cardiac techniques. This study assesses the relation of three diagnostic modalities to each other in the measurement of left ventricular ejection fraction: invasive contrast left ventriculography, two-dimensional echocardiography, and quantitative gated single-photon emission computed tomogra...
AIMS Increased plasma concentrations of B-type natriuretic peptide (BNP) and its precursor (proBNP) provide important prognostic information in patients presenting with acute coronary syndromes. Although a majority of these patients undergo early invasive assessment, the effects of coronary angiography per se on plasma BNP and proBNP concentrations are not known. We therefore sought to determin...
The incidence and pathogenesis of right ventricular dysfunction in obstructive sleep apnoea (OSA) remains controversial. Using nuclear ventriculography, the prevalence of right ventricular dysfunction (RVD) was therefore determined in obese patients with OSA, as well as their clinical characteristics, arterial blood gas values, spirometry and sleep parameters. The reversibility of RVD was evalu...
BACKGROUND Neurocysticercosis is the most common parasitic infection of the central nervous system (CNS). Intraventricular lesions are seen in 7-20% of CNS cysticercosis. Intraventricular lesions can be missed by computed tomography (CT) and magnetic resonance imaging (MRI) as they are typically isodense/isointense to the cerebrospinal fluid. We present our experience with CT ventriculography t...
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