The mode of inheritance in idiopathic cardiomyopathy, preliminary report

Genetic analyses of 565 first-degree relatives of 99 patients with ICM suggests that ICM has both simple dominant and recessive modes of inheritance. There was no clinical form of ICM specific to the mode of inheritance, both hypertrophic and congestive types almost equally observed both modes of inheritance. Two pairs of identical twins who suggested the simple recessive mode were reported.