Rhythm Analysis during Cardiopulmonary Resuscitation: Past, Present, and Future

Survival from out-of-hospital cardiac arrest depends largely on two factors: early cardiopulmonary resuscitation (CPR) and early defibrillation. CPR must be interrupted for a reliable automated rhythm analysis because chest compressions induce artifacts in the ECG. Unfortunately, interrupting CPR adversely affects survival. In the last twenty years, research has been focused on designing methods for analysis of ECG during chest compressions. Most approaches are based either on adaptive filters to remove the CPR artifact or on robust algorithms which directly diagnose the corrupted ECG. In general, all the methods report low specificity values when tested on short ECG segments, but how to evaluate the real impact on CPR delivery of continuous rhythm analysis during CPR is still unknown. Recently, researchers have proposed a new methodology to measure this impact. Moreover, new strategies for fast rhythm analysis during ventilation pauses or high-specificity algorithms have been reported. Our objective is to present a thorough review of the field as the starting point for these late developments and to underline the open questions and future lines of research to be explored in the following years.

高功率脉冲氙灯的动态PSpice模型研究

根据气体放电相关理论建立高功率脉冲氙灯仿真模型，阐述了放电回路设计的基本原理，采用建立的模型通过计算机对TIL及NIF装置进行仿真，给出了放电回路的仿真结果，与装置运行实际数据比较发现仿真模型及过程可靠，为高功率激光装置的电子计算机辅助设计和分析提供了一种新途径。

Photoluminescence and capacitance transients in highly Mg-doped GaN

Behaviors of the photoluminescence blue-band and near-bandgap peak and the relevant thermal ionization energies of the shallow and deep Mg-related acceptors have been studied, respectively. The 2.989 eV blue-band is attributed to the deep donor-acceptor-pair transitions involving a deep Mg-related acceptor at E-v+0.427 eV. The blueshift with increasing excitation power is explained by variation in the contribution of close and distant donor-acceptor-pairs to the luminescence. The redshift with increasing temperature results from thermal release of carriers from close donor-acceptor-pairs. The 3.26 eV near-bandgap peak is attributed to the shallow donor-acceptor-pair transitions involving a shallow Mg-related acceptor at E-v+0.223 eV. The relevant thermal ionization energies of the shallow and deep Mg-related acceptors, being about E-v+0.16 and E-v+0.50eV, are determined from deep-level transient Fourier spectroscopy measurements.

Pisos bioclimáticos de España

Se caracterizan por medio de los correspondientes índices térmicos y ómbricos los pisos bioclimáticos reconocidos en las tres regiones corológicas existentes en España. Se proponen nuevos índices de mediterraneidad que permiten separar climáticamenre la región Mediterránea de la Eurosiberiana y Saharo-Arábiga. Por último, se aportan tablas climáticas con ejemplos de algunas localidades españolas enclavadas en los diferentes pisos y regiones corológicas.

L'Écho de Paris

1917/02/24 (Numéro 11880).

El seminario Conciliar de León en la conclusión del año escolar de 1897

UANL

Le jeu en ligne : une analyse comparative du statut juridique du jeu en ligne et des cadres juridiques adoptés pour règlementer et gérer ses risques.

Le jeu a toujours été perçu comme un vice, responsable de nombreux troubles sociaux. Par conséquent, les gouvernements ont adopté divers cadres juridiques pour contrôler et gérer ses conséquences négatives. Malgré qu'il soit omniprésent, le jeu en ligne est illégal au Canada, aux États Unis et dans plusieurs autres pays. La règlementation du jeu en ligne et la gestion de ses troubles sociaux présente un plus grand défi pour les gouvernements, particulièrement en raison de sa nature technologique et extraterritoriale. Ce mémoire identifiera les risques et conséquences liés au jeu, en particulier les problèmes de jeu, ainsi que les cadres juridiques adoptés pour les règlementer et minimiser. Nous examinerons le statut juridique du jeu en ligne dans différentes juridictions, dont le Canada, les États Unis, le Royaume-Uni et ailleurs dans l'Union européenne. Ces cadres juridiques comprennent l'interdiction du jeu en ligne aux États Unis, la légalisation, l’octroi de licences et taxation du jeu en ligne au Royaume Uni et les cadres juridiques employés au Canada et ailleurs, offrant du jeu en ligne exclusivement par l’entremise de monopoles d'état pour contrôler sa disponibilité et minimiser ses conséquences néfastes. Nous tirerons des conclusions quant à l'efficacité relative des différents cadres juridiques adoptées pour règlementer le jeu en ligne.

I després fou la forma. 'Y después fue la forma'.

Resumen de la revista en catalán

Economic shocks and crime: evidence from the crash of ponzi schemes

In November 2008, Colombian authorities dismantled a network of Ponzi schemes, making hundreds of thousands of investors lose tens of millions of dollars throughout the country. Using original data on the geographical incidence of the Ponzi schemes, this paper estimates the impact of their break down on crime. We find that the crash of Ponzi schemes differentially exacerbated crime in affected districts. Confirming the intuition of the standard economic model of crime, this effect is only present in places with relatively weak judicial and law enforcement institutions, and with little access to consumption smoothing mechanisms such as microcredit. In addition, we show that, with the exception of economically-motivated felonies such as robbery, violent crime is not affected by the negative shock.

O orçamento dos brasileiros: Por que ele não desperta maior interesse?

Muito se discute sobre o valor dos impostos que recaem sobre todos os brasileiros ou o alto preço da administração estatal, mas pouco se fala em como todas essas – e outras várias – questões afetam o orçamento público. O estudo “O orçamento dos brasileiros: Por que ele não desperta maior interesse?”, dos professores da Escola Brasileira de Administração Pública e de Empresas da Fundação Getulio Vargas (EBAPE/FGV) Fernando Rezende e Armando Cunha, fornece análises sobre o perfil do orçamento, seu processo de elaboração e consequências para a economia e a população. O diagnóstico apresentado constitui útil subsídio à discussão da reforma orçamentária e à sustentação do modelo de crescimento brasileiro.