I think it does not have anything to do with cardiac sarcoidosis, which means to me inflammation or scarring of the heart muscle itself.
Ndicinga ukuba le ngxaki ayinanto yakwenza nesifo sokukhula kweeseli ezinokukrala entliziyweni, sifo eso kum sithetha ukuba kukukrala okanye ukonzakala kwentliziyo ngenkqu.