The cause of this condition is not accurately known, though it is probably of nervous origin and can be aggravated by physical wear and tear. The symptoms are sometimes very alarming but it is not considered in itself dangerous. It has an increased risk of developing in WPW syndrome and LGL syndrome.
Paroxysmal tachycardia
Tachycardia
Junctional tachycardia
Automatic tachycardia
Inappropriate sinus tachycardia
Ventricular escape beat
Sinus arrhythmia
Sinoatrial arrest