Table 1 Details of follow‐up examination.

	ECG 1 (ms)	ECG 2 (ms)	ECG 3 (ms)
QTc	481	441	426
JTc	401	353	374
Qtcdisp	107	51	39
JTcdisp	107	63	59
SDQTc	28.7	13.3	14.2
SDJTc	33.4	17.7	17.7

ECG 1, ECG values at admittance ; ECG 2, before discharge ; ECG 3, ECG during follow up ; JTc, corrected JT time; JTcdisp, corrected JT dispersion time; QTc, corrected QT time; QTcdisp, corrected QT dispersion time; SDJTc, standard deviation of JTc; SDQTc, standard deviation of QTc