Fig. 2From: Unique electrocardiographic pattern “w” wave in lead I of idiopathic ventricular arrhythmias arising from the distal great cardiac veinTwelve-lead ECG of the ventricular arrhythmias arising from the distal great cardiac vein are shown. The presence of a notch at downslope of an initial q wave resembling a “w” pattern in lead I is shown (arrow)Back to article page