Google Pixel Watch 3: What is the loss of pulse feature and how does it work? 


                                            Your watch contacts emergency services if it detects a loss of pulse
                                        

https://static1.anpoimages.com/wordpress/wp-content/uploads/2024/10/pixel-watch-3.jpg

https://www.androidpolice.com/google-pixel-watch-3-loss-of-pulse-guide/