Paroxysmal<unk>  (PSVT) is episodes of rapid heart rate that start in a part of the heart above the ventricles. "Paroxysmal" means from time to time.
Supraventricular tachycardia
Wide complex tachycardia
Sinus arrhythmia
Narrow complex tachycardia
Supraventricular arrhythmias
Fascicular VT
Ectopic atrial rhythm
Junctional tachycardia