Measurements related to QRS complex in 10s resting ECG

15 variables.

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Axis QRS

Average direction of the heart vector during electrical depolarization of the ventricles, expressed in degree

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QRS-Dispersion

QRS dispersion is defined as the difference between the longest and the shortest QRS complex measured in the 12 ECG leads, expressed in milliseconds

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QRS Duration

Duration of QRS complex (from the beginning of the Q wave to the end of the S wave), expressed in milliseconds

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QRS Duration, I

Duration of QRS complex, expressed in milliseconds, measured in lead I

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QRS Duration, II

Duration of QRS complex, expressed in milliseconds, measured in lead II

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QRS Duration, III

Duration of QRS complex, expressed in milliseconds, measured in lead III

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QRS Duration, aVR

Duration of QRS complex, expressed in milliseconds, measured in lead aVR

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QRS Duration, aVL

Duration of QRS complex, expressed in milliseconds, measured in lead aVL

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QRS Duration, aVF

Duration of QRS complex, expressed in milliseconds, measured in lead aVF

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QRS Duration, V1

Duration of QRS complex, expressed in milliseconds, measured in lead V1

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QRS Duration, V2

Duration of QRS complex, expressed in milliseconds, measured in lead V2

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QRS Duration, V3

Duration of QRS complex, expressed in milliseconds, measured in lead V3

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QRS Duration, V4

Duration of QRS complex, expressed in milliseconds, measured in lead V4

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QRS Duration, V5

Duration of QRS complex, expressed in milliseconds, measured in lead V5

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QRS Duration, V6

Duration of QRS complex, expressed in milliseconds, measured in lead V6

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