While into smartwatches,  received FDA approval last year for a first-of-kind six-lead consumer ECG — the — that could be positioned at multiple sites on the user’s body, gathering additional heart rate data for broader measurements and greater diagnostic accuracy. Now, as the continues to worsen in the U.S., the FDA is permitting an expanded use of the device: Healthcare professionals can now use it to look for dangerously prolonged heartbeats caused by coronavirus medications.

Enabling an inexpensive, pocket-sized device to monitor COVID-19 patients could save lives during the pandemic, since multiple drugs are being rushed through testing to fight the virus. Although options such as hydroxychloroquine and azithromycin have been separately used for years to treat malaria and various bacterial infections, they may collectively prolong a

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