نتایج جستجو برای: outflow relationship
تعداد نتایج: 571917 فیلتر نتایج به سال:
within the components of communicative competence, a special emphasis is put on the “rules of politeness,” specifically the politeness strategies (brown and levinson, 1978) that speakers deploy when performing the request speech act. this is because the degree of imposition that making a request places upon one’s interlocutor(s) has been seen to be influenced by several factors among which, as ...
A 46 year old man was found to have left ventricular outflow obstruction caused by a blood-filled cyst attached to the anterior papillary muscle of the mitral valve. It was successfully excised.
the purpose of this study was to find the relationship between critical thinking and self-regulation with reading comprehension of iranian female elementary language learners. the present study is a correlational one having a descriptive design. two questionnaires, critical thinking questionnaire and self-regulation questionnaire which were valid and reliable questionnaires and four reading com...
Pulmonary vascular flow resistive properties may be described by mean pulmonary arterial pressure (PAP)-cardiac output (CO) plots. The slope of the PAP-CO relationship defines the incremental resistance and the extrapolated pressure intercept defines the effective outflow pressure. We investigated effects of norepinephrine (1 1 dogs) and isoproterenol (seven dogs) on the pulmonary vascular PAP-...
Pulmonary vascular flow resistive properties may be described by mean pulmonary arterial pressure (PAP)-cardiac output (CO) plots. The slope of the PAP-CO relationship defines the incremental resistance and the extrapolated pressure intercept defines the effective outflow pressure. We investigated effects of norepinephrine (11 dogs) and isoproterenol (seven dogs) on the pulmonary vascular PAP-C...
IN THE INTACT ANIMAL and m man, variations in the peripheral resistance to flow, and hence in the arterial pressure, are produced by variation in the size of the arterioles. The relationship between flow and pressure is complicated in the intact animal by the tact that blood is not a homogeneous fluid. Its apparent viscosity varies, being greater in large than in small vessels. Hemodynamic stud...
Accessory mitral valve tissue, a rare cause of left ventricular outflow tract obstruction, can be difficult to diagnose preoperatively and confusing even at surgery. The reported case illustrates how preoperative evaluation can be made using two-dimensional echocardiography combined with Doppler flow analysis. The intraoperative technique for removing the accessory tissue without causing damage...
A hydraulic fluid impedance plot is produced by plotting instantaneous differential pressure against phasic blood flow across a vascular segment. This simple plot quantitatively and compactly describes the changes in flow resistance (impedance) throughout the entire cardiac cycle. Impedance plots were obtained before and after corrective surgery in patients with a variety of left ventricular ou...
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