Watch out: Apple's heart rhythm apps may prompt patient influx

Built-in ECG and AF readings are for 'informational use only', says FDA

Last month saw the unveiling of the latest Apple Watch, live from the Steve Jobs Theater at Apple Park, California. 

Apple Watch

The highlights? Two inbuilt medical devices: an ECG device that gives you a reading whenever you want, and an Irregular Rhythm Notification (IRN) that sends a notification if your pulse rate is suggestive of AF, or “AFib” as they say in the US.

While direct-to-consumer devices are common, these actually have US Food and Drug Administration (FDA) approval. In fact, the watchdog offered a little free marketing, heralding the