病毒侵犯心肌引起细胞变性、坏死和间质炎症称为病毒性心肌炎。轻者可无临床症状,重着可呈爆发经过,甚至猝死,一些不明原因的心肌病和原发性心内膜弹力纤维增生症,有些可能为病毒性心肌炎的慢性阶段或后遗症。因此早期诊断,及时治疗对本病预后转归有着重要意义。病因及发病机理近年来由于病毒学及免疫学的迅速发展,通过大量动物实验及临床观察证明多种病毒可引起心肌炎。早在1952年,在死于心肌炎婴儿的心脏中分离到柯萨奇病毒后,出现了许多婴儿患柯萨奇 B 组病毒心肌炎的报道。1956年出现了柯萨奇病毒引 Viruses that invade the myocardium cause cell degeneration, necrosis and interstitial inflammation called viral myocarditis. Light can be no clinical symptoms, weight can be presented after an outbreak, and even sudden death, some unexplained cardiomyopathy and primary endocardial fibroelastosis, and some may be the chronic stage of viral myocarditis or sequelae. Therefore, early diagnosis, timely treatment of prognosis of the disease is of great significance. Etiology and pathogenesis In recent years due to the rapid development of virology and immunology, through a large number of animal experiments and clinical observations prove that a variety of viruses can cause myocarditis. As early as 1952, Coxsackie virus myocarditis was reported in many infants after the Coxsackie virus was isolated in the heart of infants who died of myocarditis. Coxsackie virus was introduced in 1956