Figure 2 | Scientific Reports

Figure 2

From: Measurement of the QT interval using the Apple Watch

Figure 2

Regression analysis: correlation of mean QT-a (ms) and mean QT-e (ms). Scatterplot and fitted line showing the linear association between the QT mean interval (measured as an average of lead I, lead II, the V2 lead) performed using a smartwatch (QT-a) and standard (QT-e) ECG.

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