Samsung has conducted a joint clinical study with Chung-Ang University Gwangmyeong Hospital in South Korea, revealing that the Galaxy Watch 6 can accurately predict vasovagal syncope (VVS), a common type of fainting. This marks the world’s first successful use of a commercial smartwatch to forecast fainting episodes. The study has also been published in the European Heart Journal – Digital Health.
The research involved 132 patients showing symptoms of VVS and was led by Professor Cho and his team. Vasovagal syncope is often triggered by stress, pain, fear, or strong emotions. While the condition is generally not life-threatening, sudden fainting can lead to serious injuries due to unexpected falls.
During controlled clinical tests designed to induce fainting, researchers used the Galaxy Watch 6’s PPG sensor along with heart rate variability (HRV) data. This information was analyzed using an AI-based algorithm to detect early warning signs of fainting.
The results showed that the AI model could predict fainting episodes up to five minutes in advance with an accuracy of around 84.6%.
Jongmin Choi, Head of Health R&D Group at Samsung Electronics’ Mobile eXperience (MX) Business, said the study demonstrates how wearable technology is shifting healthcare from a “post-care” model to a more preventive approach. He added that Samsung remains committed to developing technologies that help users maintain healthier daily lives.
While this breakthrough highlights the potential of advanced health tracking, Samsung has not yet confirmed whether this feature will be rolled out to other Galaxy Watch models. However, future devices equipped with PPG sensors and heart rate variability tracking may support similar capabilities.
Samsung also stated that it plans to enhance the health monitoring features of its wearable lineup and expand collaborations with leading medical institutions. The company aims to advance digital healthcare and promote personalized preventive health solutions through continuous innovation.
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