Close Internal Medicine Cardiovascular Medicine Department of Cardiovascular Medicine Back to Grand Rounds 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Search Debunking the concept of one gene-one disease in inheritable sudden death Your browser does not support HTML5 video. Mario Delmar, MD Cardiovascular grand rounds Download this video Cardiovascular Grand Rounds Video Archive 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015