Open the Health app on your iPhone and navigate to the Heart section, or tap your profile icon and find the health checklist.

To use this feature, you also need an iPhone 11 or later running iOS 26. Once set up, your watch can help you monitor your blood pressure and alert you to any patterns of hypertension.

Hypertension notifications are a new feature in watchOS that comes to several older Apple Watch models, here’s how to set it ...

This article can be more of a guide on how to construct an heartbeat sensor utilizing an Arduino. Although a complicated one, this project comes as an interesting one to many electronics hobbyists.

You can monitor your heart rate on Apple Watch with the Heart app, and set up notifications for high or low heart rate, or an irregular heart rhythm.