<unk>  is an regular electrical rhythm, usually greater than 100 beats per minute, arising from the<unk>   Focal<unk>  refers to a rhythm originating from a single site either in the left or right atrium.  Focal ATs can occur in otherwise normal individuals or in the background of organic heart diseases.
Atrial tachycardia
Wide complex tachycardia
Sinus arrhythmia
Narrow complex tachycardia
Junctional tachycardia
Ventricular tachycardia
Sinus tachycardia
Supraventricular arrhythmias