On your wrist. On top of what’s important. #ScanWatch2 revolutionizes daily care by tracking useful health data and notifying you in case of a baseline shift. Link in bio. — ScanWatch 2 features the medical device Scan Monitor. Scan Monitor is a medical device manufactured by Withings that enables the detection of atrial fibrillation. The ECG feature has been tested and cleared by the FDA. Please read the instructions carefully. If you have any doubts about your results, consult your doctor.