Also, multifocal atrial tachycardia, or MAT ... right atrium including the superior vena cava or coronary sinus. Atypical atrial flutter may originate from left atrium on occasion but is less ...

This would even include sinus tachycardia with a right or left bundle branch block, atrial fibrillation/flutter with a right or left bundle branch block or AVNRT with a right or left bundle branch ...