What The Study Did: This observational study examines the association of hydroxychloroquine or hydroxychloroquine and azithromycin with QT prolongation in adult patients hospitalized with coronavirus disease 2019 (COVID-19).
Authors: Howard S. Gold, M.D., of Beth Israel Deaconess Medical Center and Harvard Medical School in Boston, is the corresponding author.
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(doi:10.1001/jamacardio.2020.1834)
Editor's Note: Please see the articles for additional information, including other authors, author contributions and affiliations, conflicts of interest and financial disclosures, and funding and support.
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