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Apnoe Screening
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Atmung Herzvektor
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Das EDR Signal – ECG Derived Respiration
ZOOM
EDR
Herzfrequenz
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Apnoe Screening
Automated detection of obstructive sleep apnoea at different time scales using the electrocardiogramPhilip de Chazal, Thomas Penzel and Conor Heneghan
Physiological Measurement 25 (2004) 967-983
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• 10 Hz Resampling
• FIR Filter fg = 1 Hz
High-Resolution EDR
EDR Basics
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Quantifizierung der Atmungstätigkeit
Hilbert TransformationH(EDR) = abs(EDR * 1/(π*t))
Vogelperspektive
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Respiration Activity Overview
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Apnoe Screening
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Obstruktive Schlaf Apnoe
OSA has been associated with severalcardiovascular diseases, most notablyhypertension, ischemic heart disease,
heart failure, stroke, cardiac arrhythmias,and pulmonary hypertension.
Sleep-Disordered Breathing and Cardiovascular DiseaseRobert Wolk, MD, PhD; Tomas Kara, MD; Virend K. Somers, MD, PhD(Circulation. 2003;108:9-12)
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“Traditional” Holter
Arrhythmias
HolterRecording
treatArrhythmias
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Arrhythmias
HolterRecording
treatArrhythmias
?
treatCause of
Arrhythmia
”Beyond” Holter
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OSA as Cause of Arrhythmias
ArrhythmiasOSA
treatOSA/SAS
Medilog ARAdvanced Holter
Recording
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OSA Arrhythmien
• Sinus arrest
• SA Block
• AV Block
Pausen,
Bardykardie
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Arrhythmia Apnea
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Regulation ?