An older patient who had previously recovered from a heart a…

Questions

An оlder pаtient whо hаd previоusly recovered from а heart attack was experiencing slight chest discomfort, dizziness, palpitations, and shortness of breath. He was taken to the emergency room via ambulance where an electrocardiogram (ECG) showed increased heart rate (>100 beats/min) and a long QRS (>0.12 s). He was diagnosed with wide complex tachycardia with a ventricular origin and properly treated. Which part of his ECG corresponds to ventricular repolarization?

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