15 health insurance companies offer their policyholders the Preventicus Heartbeats app as a digital prevention system to reduce the risk of stroke. Patients regularly place their finger on the smartphone camera for 60 seconds. The data is checked by the cardiology specialists at the Ulm Heart Clinic. If atrial fibrillation is suspected, participants are given an appointment with a cardiologist. According to Preventicus , 96 percent of at-risk patients could be identified among app users
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