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For the application of acquiring ECGs from mobile telephones by unskilled users it would be beneficial if the mobile device could assess ECG quality and inform the user if the quality was acceptable. Using the PhysioNet/Computing in Cardiology Challenge 2011 dataset we identified several ECG features that were commonly observed in the training set ‘unacceptable’ category for algorithmic development:...
The genesis of the U wave in the ECG is still in doubt. This study aimed to investigate the relationship between the occurrence of the U wave and both the electrical and mechanical timing sequence in heart beats. The M-mode echocardiography and 12-lead ECG were simultaneously recorded from 4 healthy subjects, with four repeat measurements in each. The ECG for both aortic valve (AV) and mitral valve...
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