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Abnormal ECG showing J (Osborn) waves (V4).

Abnormal ECG showing J (Osborn) waves (V4).
Abnormal ECG showing J (Osborn) waves (V4).

The J (Osborn) wave is visible as a hump at the junction of the QRS complex and ST segment. Computer programs cannot reliably differentiate J waveform abnormalities from myocardial injury current.

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