122 resultados para Right atrial stretch


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This paper reports on a study that took a cross-disciplinary and cross-institutional approach to investigate postgraduate student expectations and experiences in internationalised and globalised higher education. The researchers drew on Giddens’ theory of structuration1. They explored the way samples of specialist medicine trainees in the UK and pre-service teacher education students in Australia identify and make meaning of their circumstances in an era that is increasingly characterised by greater internationalisation of the student body and more globalised curricula. In this paper, we discuss some of the tensions students reported encountering, and propose several ways in which such tensions might be counteracted.

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This paper reports on a study into how the cultural expectations of the roles of students and teachers impact on the lived experience of higher education students. Specifically, the paper discusses ways in which academics and students perceive the theoretical and practical sides of the front-end loading programs in which they are involved. The paper takes an interdisciplinary and cross-cultural approach in drawing from data sets collected from students and staff in both a UK medicine program and also an Australian teacher education program. As such, it responds to the aim of the AARE-APERA conference to enrich global cooperation in educational research. Giddens’ (2003) sociological theory of “structuration” was selected as a framework for the study because it enables insight into how individuals make meaning and identity through their circumstances and endeavours. The theory provided useful in demonstrating how we understand, and thus educate for, the roles of professionals, including doctors and teachers, in society. The discussion and findings of the paper contribute to the international literature on professional culture and identity, work-integrated learning and the enactment of theory and practice in university front-end loading programs.

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There have been inconsistencies in the literature regarding asymmetrical neural control and results of experiments using TMS techniques. Therefore, the aim of this study was to further our understanding of the neural relationships that may underlie performance asymmetry with respect to the distal muscles of the hand using a TMS stimulus–response curve technique. Twenty-four male subjects (12 right handed, 12 left handed) participated in a TMS stimulus–response (S–R) curve trial. Focal TMS was applied over the motor cortex to find the optimal position for the first dorsal interossei muscle and to determine rest threshold (RTh). Seven TMS intensities ranging from 90 to 150 % of RTh were delivered in 10 % increments. One single TMS block consisted of 16 stimuli at each intensity. Peak-to-peak amplitudes were measured and the S–R curve generated. In right-handed subjects, the mean difference in slopes between the right and left hand was −0.011 ± 0.03, while the mean difference between hands in left-handed subjects was −0.049 ± 0.08. Left-handed normalized data in right handers displayed a mean of 1.616 ± 1.019 (two-tailed t test p < 0.05). The left-handed group showed a significant change in the normalized slope as indicated by a mean of 1.693 ± 0.149 (two-tailed t test p < 0.00006). The results found in this study reinforce previous work which suggests that there is an asymmetry in neural drive that exists in both left- and right-handed individuals. However, the results show that the non-dominant motor hemisphere displays a greater amount of excitability than the dominant, which goes against the conventional dogma. This asymmetry indicates that the non-dominant hemisphere may have a higher level of excitation or a lower level of inhibition for both groups of participants.

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Traditionally, a shareholder’s expectation of receiving a dividend has been limited by the discretion the board of directors has to recommend the appropriate amount of payment as a dividend. As a general rule, shareholders will only be entitled to a dividend after the dividend is declared (normally, at the general meeting), or when the actual date arrives for the dividend to be paid. Because courts were traditionally reluctant to interfere with the internal management of companies, the remedies available to shareholders to compel a company to declare a dividend were very limited. As a result, if the directors have decided to withhold dividend payment, courts will only make an order requiring dividends to be paid under very exceptional circumstances. In this article, the authors discuss the case of Sumiseki Materials Co Ltd v Wambo Coal Pty Ltd [2013] NSWSC 235, which is exceptional for the court’s recognition of a shareholder’s contractual right to a dividend. The article analyses the court’s approach, which found that withholding dividend payments was oppressive and unfairly prejudicial conduct of the company. It also discusses the significance of shareh9olders entrenching their rights in a company’s constitution, irrespective of the fact that a company has a statutory right to alter its constitution by way of a special resolution.

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To determine the prevalence and nature of potentially inappropriate medications (PIMs) and potential prescribing omissions (PPOs) in patients aged 65 years and over.

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Amiodarone is an effective medication in preventing atrial fibrillation (AF), but it interferes with the metabolism of warfarin.

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 An optimisation framework is proposed to enable investors to select the right risk measures in portfolio selection. Verification is deployed by performing experiments in developed markets (e.g., the US stock market), emerging markets (e.g., the South Korean stock market) and global investments. A preselection procedure dealing with large datasets is also introduced to eliminate stocks that have low diversification potential before running the portfolio optimisation model. Portfolios are evaluated by four performance indices, i.e., the Sortino ratio, the Sharpe ratio, the Stutzer performance index, and the Omega measure. Experimental results demonstrate that high performance and also well-diversified portfolios are obtained if modified value-at-risk, variance, or semi-variance is concerned whereas emphasising only skewness, kurtosis or higher moments in general produces low performance and poorly diversified portfolios. In addition, the preselection applied to large datasets results in portfolios that have not only high performance but also high diversification degree.

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