Clinical implications of the new definition of myocardial infarction
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    New definition of an abnormal Q wave – is it clinically useful?

    Dear Editor

    Since myocardial infarction (MI) was redefined five years ago(1), focus has been on troponins. However, with the consensus document the presence of an abnormal Q wave has also been redefined, but this change appears to have created only little controversy. Abnormal Q waves are still considered a definite objective sign of an established MI, and in this connection, the history of the patient is often in...

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    Conflict of Interest:
    None declared.