IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-8-43288 Original Research Paper Unexplained Bradycardia in Young Individuals- Could Raised Immunoglobulin E, be a Cause? Md. Moniruzzaman Dr. Dr. A.B.M. Khairul Hasan Dr. Dr. Md. Saiful Islam Dr. August 2022 11 8 01 02