Pre-pediatric contraction

Premature contraction, or premature beat, is called premature beat for short. Among them, the sex is the most, the sex is the second, and the junction is rare. Pre-systolic contraction and escape beat, a kind of arrhythmia caused by ectopic beat point excitement, among which ventricular pre-constriction is most common in children, and most of them have a good prognosis. The escape beat mainly occurs in children with sinus bradycardia or sinus arrest, and the prognosis depends on the primary disease.