PMC8371685_01
Electrocardiogram (ECG) of the proband. (A) The ECG of the proband showed ventricular tachycardia onset at a cycle length of 280ms. (B) Baseline ECG for proband showing a saddle-shaped ST elevation in leads V1-V3.
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F1
He had a history of recurrent episodes of agitation and paleness accompanied by VT showed in ECG (Figure 1A). His baseline ECG demonstrated ST elevation in V1-V3 at rest (Figure 1B), suggesting an atypical Brugada pattern.