ECG screening does not rule out severe QTc prolongation in patients with COVID-19

Most patients with COVID-19 who are treated with hydroxychloroquine and azithromycin experience QTc prolongation despite undergoing pre-treatment ECG screening, US cardiologists have warned. In a letter published in Nature Medicine, Dr Leon Charney and colleagues from the Division of Cardiology, New York University School of Medicine, describe their observation in 84 patients with COVID-19 who were ...

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