Carbon monoxide (CO)poisoning is a rare cause of QT prolongation, and is therefore easily missed. The case of a patient with unexplained syncope and QT prologation on the electrocardiogram that turned out to be related to CO poisoning is reported here. In patients with QT prolongation, uncommon causes also should be looked for.
- COHb, carboxyhaemoglobin
- ECG, electrocardiogram
- QTc, corrected QT
- QTcdisp, corrected QT dispersion
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Competing interests: None.
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