Background. The electrocardiogram (ECG) is the most used diagnostic tool in medicine; in this sense, it is essential that medical undergraduates learn how to interpret it correctly while they are still on training. Naturally, they go through classic learning (e.g., lectures and speeches). However, they are not often efficiently trained in analyzing ECG results. In this regard, methodologies such as other educational support tools in medical practice, such as educational software, should be considered a valuable approach for medical training purposes. Methods. We performed a literature review in six electronic databases, considering studies published before April 2017. The resulting set comprises 2,467 studies. From this collection, 12 studies have been selected, initially, whereby we carried out a snowballing process to identify other relevant studies through the reference lists of these studies, resulting in five relevant studies, making up a total of 17 articles that passed all stages and criteria. Results. The results show that 52.9% of software types were tutorial and 58.8% were designed to be run locally on a computer. The subjects were discussed together with a greater focus on the teaching of electrophysiology and/or cardiac physiology, identifying patterns of ECG and/or arrhythmias. Conclusions. We found positive results with the introduction of educational software for ECG teaching. However, there is a clear need for using higher quality research methodologies and the inclusion of appropriate controls, in order to obtain more precise conclusions about how beneficial the inclusion of such tools can be for the practices of ECG interpretation.
O artigo não apresenta resumo.
INCLUSÃO DE RESÍDUO DE FARINHA DE CARNE EM DIETAS PARA SUÍNOS EM CRESCIMENTO (30-50 kg) ResumoFoi conduzido um trabalho para avaliar a inclusão de níveis crescentes de um resíduo, proveniente da graxaria, após a obtenção de farinha de carne e ossos de abatedouro de bovinos, para suínos em fase de crescimento sobre o desempenho, características de carcaça, incidência de diarreia e viabilidade econômica das dietas. Foram utilizados 48 suínos, distribuídos em delineamento inteiramente ao acaso com 4 tratamentos (0, 2, 4 e 6% de inclusão do resíduo), seis repetições e dois animais por unidade experimental (machos castrados e fêmeas) com 30 ± 0,662 kg de peso inicial em período experimental de 24 dias. Foram verificadas as pressuposições estatísticas de normalidade por meio do teste de Shapiro-Wilk e homogeneidade pelo teste de Barllet a 5% de probabilidade. As pressuposições foram atendidas e os dados foram submetidos a análise de variância e teste F a 5% de significância. As variáveis de desempenho, características de carcaça e incidência de diarreia não apresentaram diferenças significativas (P<0,05) entre os níveis inclusão do resíduo na ração. O resíduo pode ser utilizado em até 6% na ração sem afetar o desempenho, as características de carcaça e causar diarreia em suínos em fase de crescimento, no entanto, a inclusão de 4% do resíduo apresenta maior viabilidade econômica.
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