Samsung recently received approval from the US Food and Drug Administration (FDA

for its Irregular Heart Rhythm Notification feature (IHRN) for the Galaxy Watch series.

Modern devices, like the Galaxy Watch5, have heart monitoring features like HR Alert and on-demand ECG recording(opens in new tab)

IHRN stands out because it uses its BioActive Sensor and ECG (electrocardiogram) capability 

precisely seek for indicators of atrial fibrillation, or AFib.

AFib is characterised by an unexpectedly rapid and irregular heartbeat. 

The disease "is widely regarded as a warning sign for major cardiovascular issues that can increase the risk of stroke,"