Novel criterion for the differential diagnosis of wide QRS complexes and wide complex tachycardia using the initial activation of QRS on leads V1 and V2
Keywords: BBB; bundle brunch block; dV; the delta voltage; dV1; the delta voltage in lead V1; dV2; the delta voltage in lead V2; ECG; electrocardiogram; EPS; electrophysiology study; fV; the voltage of the first vector; fV1; the voltage of the first vector in lead