This checklist relates to a systematic interpretation of the 12-lead electrocardiogram.
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O
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Overview: rate?
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Overview: rhythm?
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P
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P wave: positive in lead II? signs of atrial hypertrophy?
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PR interval: duration? depression?
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Q
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Pathological Q waves?
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QRS complexes: wide? bundle-branch block pattern?
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R
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Axis deviation?
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R wave: signs of ventricular hypertrophy
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S
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S wave: signs of ventricular hypertrophy?
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ST segment: elevation or depression?
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T
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T waves: peaked? inverted?
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QTc time: prolonged?
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+
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Additional findings (e.g. U wave, J wave)?
