نتایج جستجو برای: recumbent fold
تعداد نتایج: 142458 فیلتر نتایج به سال:
Current therapy for massive venous air embolism (VAE) includes the use of the left lateral recumbent (LLR) position. This recommendation is based on animal studies, conducted 50 yr ago, which looked primarily at survival. Little is known, however, about the concomitant hemodynamic response after VAE in various body positions. The purpose of this study was to investigate the hemodynamic and card...
The relationships of circulating plasma volume (PV) to effective renal plasma flow and glomerular filtration rate (GFR) were investigated in reference to their interrelated changes induced by upright posture in normal subjects and patients with chronic glomerulonephritis. The following relation was obtained: (percentage change in GFR) = k(percentage change in PV). The values of k were 3.4 for t...
BACKGROUND AND PURPOSE Right to left shunt is involved in conditions in which postural changes may be pathogenically relevant. The aim of this work was to assess the frequency of posturally dependent right to left shunt. METHODS In 109 consecutive right to left shunt-positive subjects (male/female=40/69, age 43+/-12 years), we assessed with contrast-enhanced transcranial Doppler the bubble lo...
The two mass model (2MM) as introduced by Ishizaka & Flanagan (1972) and simplified by Steinecke & Herzel (1995) describes many features of the vocal fold oscillation patterns [1,2]. Particularly, it was shown that a large variety of voice disorders may be explained by means of high-speed observations with subsequent interpretation by the 2MM. Laryngeal symmetry was identified as an important p...
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