The Apple Watch Series 4 (44mm, left) next to the Apple Watch Series 3 (42mm). Photo: Ben Sin

Apple Watch Series 4 first impressions – improved heart monitoring system can detect irregularities

New smartwatch can perform an EKG to track your heart’s electrical activity, and you can export the results as a PDF. The device can also detect if its user has fallen over, and call the emergency services

Topic |   Smartwatches

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The Apple Watch Series 4 (44mm, left) next to the Apple Watch Series 3 (42mm). Photo: Ben Sin
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