Shots:

• The ECG app on Apple Watch Series 4 is evaluated in 600 patients resulted in 98.3% sensitivity in classifying AFib- 99.6% specificity in classifying sinus rhythm- 87.8% of recordings classified by the ECG app
• The irregular rhythm notification function was assessed in the Apple Heart study enrolled with 400-000 candidates and demonstrated 0.5% irregular pulse notifications- identified heart rate irregularities with confirmed AFib 
• Watch Series 4 with OS 5.2 possess health app with irregular rhythm notification enables customers to produce ECG on demand & check user’s heart rhythm using the optical heart sensor- available in 19 EU countries and has received FDA’s De Novo clearance in the US

  Ref: Apple | Image: Geeky Gadgets