AUTHOR=Liu Jie , Fei Yunhan , Gao Ying , Meng Yu , Huang Dongxue , Zhao Wenjuan , Xie Keliang TITLE=The impact of Internet-based healthcare derived from the COVID-19 pandemic on outpatients in a cardiology department JOURNAL=Frontiers in Digital Health VOLUME=7 YEAR=2025 URL=https://www.frontiersin.org/journals/digital-health/articles/10.3389/fdgth.2025.1475422 DOI=10.3389/fdgth.2025.1475422 ISSN=2673-253X