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首页> 外文期刊>Journal of diagnostic medical sonography: JDMS >Increasing Recognition of Fetal Heart Anatomy Using Online Tutorials and Mastery Learning Compared With Classroom Instructional Methods
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Increasing Recognition of Fetal Heart Anatomy Using Online Tutorials and Mastery Learning Compared With Classroom Instructional Methods

机译：与课堂教学方法相比，使用在线教程和精通学习来提高胎儿心脏解剖结构的识别率

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摘要

Assessment of the fetal heart is a challenging part of any routine obstetrical sonogram. The practice of teaching and learning this skill demands expertise in the visualization and interpretation of normal sonographic appearances of the fetal heart. Recognition of the pathological features associated with commonly seen congenital heart diseases is also very important. In the study reported here, students in an obstetrical sonography course were randomly assigned to two groups. The students in the control group (classroom instruction) on average assessed correctly all five anatomic cardiac features but determined the normal or abnormal status of only 19% of cases, 4.7of 25 ± 4.4 SD. The experimental group (online tutorials) correctly identified 39% of cases, 9.9 of 25 ± 2.7 SD, P < .01. The average score in the experimental group was greater than 84% of the students in the control group, a one sigma effect. These data support the conclusion that students learning to assess the fetal heart for the presence of congenital heart disease using a series of online tutorials and practice exercises compared with students receiving conventional classroom instruction demonstrated an improved ability to correctly identify normal and abnormal fetal heart structures.
机译：胎儿心脏的评估是任何常规产科超声检查的挑战性部分。教授和学习此技能的实践要求在可视化和解释胎儿心脏的正常超声表现方面具有专业知识。认识与常见先天性心脏病相关的病理特征也非常重要。在此处报告的研究中，将产科超声检查课程的学生随机分为两组。对照组（课堂教学）的学生平均正确评估了全部五个解剖心脏特征，但仅在19％的病例中确定了正常或异常状态，为25±4.4 SD的4.7。实验组（在线教程）正确地识别出39％的病例，即25±2.7 SD的9.9，P <0.01。实验组的平均分数大于对照组学生的84％，达到1σ的效果。这些数据支持这样的结论：与接受常规课堂教学的学生相比，学生通过一系列在线教程和实践练习学习评估胎儿心脏是否存在先天性心脏病，这证明了其正确识别正常和异常胎儿心脏结构的能力得到了提高。

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