Automatic Analysis of ECG Signals Recorded with the wireless DELTA ePatch Technology

Dorthe Bodholt Nielsen, dbn@delta.dk

HospitalHealthcare facility

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

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 patients Sensitivity Positive predictivity

11 99.57 % 99.57 %

9 99.95 % 99.92 %