نتایج جستجو برای: left ventricle
تعداد نتایج: 309993 فیلتر نتایج به سال:
We present a case of 48-year-old male who presented with coronary artery fistula draining into left ventricle. Transthoracic echocardiography showed abnormal blood flow draining into left ventricle, with enlarged coronary arteries and multiple vascular structures around ventricular myocardium. Coronary computed tomography revealed dilatation of entire left coronary artery which was wrapping aro...
the present study examined the antioxidant defense of glutamine on plasma and liver antioxidant status in broilers under phs with respect to changes in the levels of lipid peroxidation marker malondialdehyde (mda), total antioxidant status (tas) and the activities of anti peroxidative enzymes [superoxide dismutase (sod) and glutathione dependent antioxidant enzymes glutathione peroxidase (gpx)]...
Aortic valve atresia is usually associated with hypoplasia of the left ventricle and mitral valve. We report a patient presenting aortic atresia with ventricular septal defect and a normally sized left ventricle. The electrocardiogram showed left axis deviation and left ventricular hypertrophy. The ventricular septal defect probably favored a normal growth of the left ventricle, allowing it to ...
Abstract Background: Pulmonary vascular resistance (PVR) index is an important hemodynamic variable in determining the severity of cardiopulmonary diseases. This study was done to define the relationship of echocardiographic parameters of ventricular function with PVR. Methods: Mean PVR of 40 patients with cardiac disease was compared with the left ventricle diastolic function indices (LVEF...
The effect of contractility and preload on matching between the canine left ventricle and afterload.
We define matching between ventricle and afterload to imply that the ventricle is adapted to its afterload to yield maximum external work output. For the ventricle, this optimal adaption will depend on end-diastolic dimension, heart rate, and contractility. Because contractility is impaired during ventricular failure, we propose that the adaption between ventricle and load is not as good during...
Two pathological specimens are presented in which the morphological left ventricle contains the right atrioventricular ostium, completely or in its major portion and, totally, the left atrioventricular ostium. It is suggested from a consideration of these cases and of the pathological material available in the literature that this constitutes an entity that can be usefully separated from the he...
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