AUTHOR=Chaikovsky Illya , Dziuba Dmytro , Kryvova Olga , Marushko Katerina , Vakulenko Julia , Malakhov Kyrylo , Loskutov Оleg TITLE=Subtle changes on electrocardiogram in severe patients with COVID-19 may be predictors of treatment outcome JOURNAL=Frontiers in Artificial Intelligence VOLUME=8 YEAR=2025 URL=https://www.frontiersin.org/journals/artificial-intelligence/articles/10.3389/frai.2025.1561079 DOI=10.3389/frai.2025.1561079 ISSN=2624-8212