(ECG 3-2) WPW case 3. (P = P wave)

Tachycardia with wide QRS complex. Differential diagnosis of the tachycardia in this ECG may includes: Sinus tachycardia; atrial tachycardia; SVT; Atrial flutter with 2:1 AV conduction.
Wide QRS is due to LBBB.

Patient. 53 year old male with cardiac history includes previous stent placement of the LAD lesion in 1999. He has been treated for dilated cardiomyopathy with ejection fraction of 30-35%. Patient was admitted this time for treatment of rapid heart beat.
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