Husniddin Kuchkarov was born in 1988 in the Fergana region of Uzbekistan Republic. In 2006-2013, he studied at the Faculty of "Medicine" of the Tashkent Medical Academy, and in 2013-2016, he received a master's degree in "Cardiology" from the Tashkent Medical Academy. He began his career in 2016 as a junior research fellow and a doctor on duty in the "Cardiac Arrhythmias" laboratory of the Republican Specialized Cardiology Center. In 2018, the Republican Specialized Cardiology Center was renamed the Republican Specialized Scientific and Practical Medical Center of Cardiology. Kuchkarov H.Sh. studied as a doctoral student of the basic doctoral program of the Republican Specialized Scientific and Practical Medical Center of Cardiology in 2020-2022 and finally defended his PhD dissertation on the topic "Clinical efficacy and safety of long-term use of aksaritmin in patients with various heart rhythm disorders." The defense of this dissertation gave impetus to the widespread clinical use of the local, new and herbal antiarrhythmic drug aksaritmin. Since 2023, Kuchkarov H.Sh. has continued to work as a junior research fellow in the “Cardiac Arrhythmias” laboratory of the Republican Specialized Scientific and Practical Medical Center of Cardiology. Kuchkarov H.Sh. During his work at the Republican Specialized Scientific and Practical Medical Center of Cardiology, he effectively worked in scientific, therapeutic and pedagogical areas. In particular, he served as the curator of the Fergana region for cardiological services, a member of the Scientific Council of the Center, the chairman of the Society of Young Scientists of the Center and the head of clinical residency students. During his work, he was the author of many guidelines, curriculums and scientific articles. He also participated in the development of the 2024 European Society of Cardiology Guidelines for the management of atrial fibrillation as a reviewer-expert from the Association of Cardiologists of Uzbekistan. Currently, Kuchkarov H.Sh. works as a senior lecturer at the Department of Internal Medicine at Alfraganus University and a cardiologist at the Cardiology Department at Alfraganus University Hospital.