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A pragmatic randomised controlled trial of SAFMEDS to produce fluency in interpretation of electrocardiograms

机译：SafMeds的务实随机对照试验，从而产生流畅性的心电图

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SAFMEDS (Say-All-Fast-Minute-Every-Day-Shuffled) is a flashcard-type behavioural instructional methodology, involving one-minute learning trials that function both as practice and assessment, used to facilitate the development of fluency in a behaviour. The primary research question was whether SAFMEDS engenders improvement in performance beyond that conferred by usual teaching. A secondary research question was whether SAFMEDS is an effective method of producing fluency in Electrocardiogram (ECG) interpretation. A pilot study was conducted to determine sample size required to power the pragmatic randomised controlled trial (RCT). For the subsequent RCT, participants were randomly assigned to a “usual teaching” control group (n?=?14) or the SAFMEDS intervention group (n?=?13), with the recognition of 15 cardiac conditions on ECGs (e.g., atrial fibrillation, complete heart block) targeted. Intervention group participants’ performance was tracked over eight weeks as they worked towards achieving the fluency criterion. Percentage accuracy in ECG interpretation was assessed at baseline and post-test for both groups. An ANCOVA was conducted to assess for differences in the performance of the intervention and control group at post-test while controlling for the baseline performance of participants. At post-test, the numbers of participants achieving fluency within the intervention group was examined. A large effect size of SAFMEDS (partial η2?=?.67) was identified when controlling for the effects of baseline performance. At post-test, the intervention group significantly outperformed (M?=?61.5%; SD?=?12.1%) the control group (M?=?31.6%; SD?=?12.5%, p??.001). In total, 7 of 13 intervention group participants achieved fluency. Participants required an average of 51.9 one-minute trials (SD?=?18.8) to achieve fluency. SAFMEDS offers a useful adjunct to usual teaching within medical education. Further research could assess whether learning retains, is stable, and transfers to clinical practice.
机译：SAFMEDS（例如 - 迅速 - 每天播放）是闪存型行为教学方法，涉及一分钟的学习试验，这些试验既可以作为实践和评估，用于促进行为中流利的发展。主要研究问题是SafMeds是否从常规教学中提出了超出履行的性能。二级研究问题是SAFMEDS是一种有效的方法，可以生产流利的心电图（ECG）解释。进行了试验研究以确定为务语随机对照试验（RCT）提供电量所需的样品大小。对于随后的RCT，参与者被随机分配给“通常的教学”控制组（N？=？14）或SafMeds干预组（N？=？13），识别ECG的15个心脏病（例如，心房靶向纤维化，完整的心脏块。干预组参与者的表现在八周内被履行八周，因为他们致力于实现流畅性标准。在基线评估ECG解释中的准确性和两组的测试后评估。在控制参与者的基线表现时，进行了ANCOVA以评估干预和对照组性能的差异。在测试后，审查了在干预组内实现流利程度的参与者的数量。在控制基线性能的影响时，SafMeds的大小效果（部分η2？= 37）。在测试后，干预组显着优于表现出来（M？= 61.5％; SD？= 12.1％）对照组（M？=？31.6％; SD？= 12.5％，P？<001） 。总共，13个干预组参与者的7人取得了流畅性。参与者平均需要51.9一分钟试验（SD？= 18.8）以实现流畅性。 SafMeds在医学教育中提供了一个有用的常用教学。进一步的研究可以评估学习是否保留，是稳定的，并转移到临床实践。

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