What is paroxysmal ventricular tachycardia?

The cause of paroxysmal ventricular tachycardia in children is very complex, which can be considered as congenital heart disease, myocarditis, pre-excitation syndrome, QT interval prolongation syndrome, electrolyte disorder, etc. If the child is too nervous, there is serious infection in the near future, hypoxia can also lead to paroxysmal ventricular tachycardia.