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. 2005 May;90(5):528–529. doi: 10.1136/adc.2004.058115

Figure 1.

Figure 1

 Extracts from the surface electrocardiogram. Left: The day after the cardiac arrest, the T-wave has a late onset and is broad, the QT is measured at a minimum of 0.32 seconds, R-R interval 0.44 seconds, giving a QTc of 0.48 seconds. On some beats the end of the T-wave is less clear, with a long gentle slope into the p-wave such that the true QTc may be a little longer. Right: At 3 months of age the 12 lead ECG is normal. The T-wave is not suspicious for long QT syndrome, and the QT is approximately 0.28 seconds, R-R interval 0.49 seconds, giving a QTc of 0.40 seconds. No features suggest Brugada syndrome.