1. Automatic Analysis of ECG Signals Recorded with the wireless DELTA ePatch Technology Dorthe Bodholt Nielsen, dbn@delta.dk Hospital Healthcare facility

2. Application Example: Atrial Fibrillation Prevalence at the age of 80 years: 5-15% Long term monitoring is often required Important adverse clinical events: 5-fold risk of stroke Atrial fibrillation is often asymptomatic Early diagnosis is crucial Treatment with prober antithrombotic therapy can lower the increased stroke risk Dorthe Bodholt Nielsen, dbn@delta.dk

3. Automatic QRS Detection 30 minute manually scored records from 11 different patients Detection results: All abnormal beats in our database was correctly detected Next step: Automatic classification of each heart beat Dorthe Bodholt Nielsen, dbn@delta.dk # of patientsSensitivityPositive predictivity 1199.57 % 999.95 %99.92 %