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Fig. 1 | BMC Cardiovascular Disorders

Fig. 1

From: Long-term prognosis of short QT interval in Korean patients: a multicenter retrospective cohort study

Fig. 1

Representative twelve-lead ECG. A) A patient with short QT syndrome who experienced sudden cardiac arrest. QT interval, 306 ms; corrected QT interval, 330 ms; QRS duration, 88 ms; and and heart rate, 70/min. B) A patient with normal QTc without any clinical history who visited the outpatient clinic due to upper respiratory infection. QT interval, 366 ms; corrected QT interval, 432 ms; QRS duration, 94 ms; and heart rate, 84/min

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