Abstract：Lead aVR has not drawn enough attention for years in traditional ECG diagnosis. However, recent research revealed important roles it plays in many fields, especially in the differential diagnosis of ventricular tachycardia(VT) and supraventricular tachycardia(SVT). This paper briefly introduces the clinical value of lead aVR in the differential diagnosis of VT and SVT．
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2016, Vol. 25 
