Deep Learning for Cardiologist-level Myocardial Infarction Detection in Electrocardiograms

Betty

Result:

1. Quantification of accuracies for single channels with 20-fold cross-validation, resulting highest individual accuracies: v5, v6, vx, vz, and ii

2. Quantification of accuracies for pairs of top 5 highest individual channels with 20-fold cross-validation, resulting highest pairs accuracies to fed into a the neural network: lead v6 and lead vz

3. Use 100-fold cross validation on v6 and vz pair of channels, then compare outliers based on top 20, top 50 and total 100 performing models, finding that standard deviation is non-trivial and there are few models performed very poorly.

4. Discussing 2 factors effecting model performance evaluation:

1） Random train-val-test split might have effects of the performance of the model, but it can be improved by access with a larger data set and further discussion

2） random initialization of the weights of neural network shows little effects on the performance of the model performance evaluation, because of showing a high average results with a fixed train-val-test split

5. Comparing with other models, the model in this article has the highest accuracy, specificity, and precision

6. Further using 290 fold patient-wise split, resulting the same highest accuracy of the pair v6 and vz as record-wise split

1） Discuss patient-wise split might result lower accuracy evaluation, however, it still maintain an average of 97.83%