Automatic QRS Complex Detection Algorithm Designed for a Novel Electrocardiogram Recording Device Co-authors Kenneth Egstrup, OUH Svendborg Hospital Jens Branebjerg, DELTA Gunnar Bjarne Andersen, DELTA Helge B. D. Sørensen, Technical University of Denmark Dorthe Bodholt Nielsen, Ph.D. student, DELTA / Technical University of Denmark Contact: [email protected]
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Automatic QRS Complex Detection Algorithm Designed for a Novel Electrocardiogram Recording Device Co-authors Kenneth Egstrup, OUH Svendborg Hospital Jens.
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Automatic QRS Complex Detection Algorithm Designed for a Novel Electrocardiogram Recording Device
Co-authorsKenneth Egstrup, OUH Svendborg HospitalJens Branebjerg, DELTAGunnar Bjarne Andersen, DELTAHelge B. D. Sørensen, Technical University of Denmark
Dorthe Bodholt Nielsen, Ph.D. student, DELTA / Technical University of DenmarkContact: [email protected]
Agenda
Application Example: Atrial Fibrillation
Advantages of our wireless ePatch technology
Algorithm: Automatic QRS complex detection
Detection Results
Conclusions and Future Work
The Heart and ECG Signals
Reference: http://elf.cs.pub.ro/pm/wiki/eestec/3
Atrial Fibrillation (AF)
Definition:
Irregular and very fast activation of the atria
Irregular and fast pulse (ventricular contractions)
Prevalence:
1 – 2 % of the general population
The prevalence increases with age:
5 – 15 % at the age of 80 years
Progression of disease:
Paroxysmal → persistent → permanent
Symptoms
Palpitations (“hjertebanken”)
Dyspnoea
No symptoms
Atrial Fibrillation
Adverse clinical events
heart failure
Death rate is doubled
Risk of stroke is 5-fold compared to general population
Treatment of AF
Stroke prophylaxis with anticoagulation therapy
Importance of early detection of AF
It is very important to diagnose patients with AF early to start anticoagulation
treatment and decrease stroke risk.
Asymptomatic patients: Screening for AF in the general population or
high risk groups.
Paroxysmal AF: Very long term monitoring might be needed to find an
episode of AF and diagnose the patient.
Advantages of the ePatch Heart Monitor
The ePatch heart monitor Traditional HOLTER monitor