V. ThongtangP. PanchavininS. ChaithiraphanMahidol University2018-08-102018-08-101991-07-01Journal of the Medical Association of Thailand. Vol.74, No.7 (1991), 301-305012522082-s2.0-0026185167https://repository.li.mahidol.ac.th/handle/20.500.14594/22132Spontaneous complete A-V block is very rare in hypertrophic cardiomyopathy. We report here two siblings with hypertrophic cardiomyopathy who developed spontaneous complete A-V block with deterioration of cardiac symptoms, necessitating implantation of permanent pacemaker.Mahidol UniversityMedicineArticleSCOPUS