© 2008 AUTONOM HEALTH ®
Apnoe Screening
© 2008 AUTONOM HEALTH ®
Atmung Herzvektor
© 2008 AUTONOM HEALTH ®
Das EDR Signal – ECG Derived Respiration
ZOOM
EDR
Herzfrequenz
© 2008 AUTONOM HEALTH ®
Apnoe Screening
Automated detection of obstructive sleep apnoea at different time scales using the
electrocardiogram
Philip de Chazal, Thomas Penzel and Conor Heneghan
Physiological Measurement 25 (2004) 967-983
© 2008 AUTONOM HEALTH ®
• 10 Hz Resampling
• FIR Filter fg = 1 Hz
High-Resolution EDR
EDR Basics
© 2008 AUTONOM HEALTH ®
Quantifizierung der Atmungstätigkeit
Hilbert Transformation
H(EDR) = abs(EDR * 1/(π*t))
Vogelperspektive
© 2008 AUTONOM HEALTH ®
Respiration Activity Overview
© 2008 AUTONOM HEALTH ®
Apnoe Screening
© 2008 AUTONOM HEALTH ®
Obstruktive Schlaf Apnoe
OSA has been associated with several
cardiovascular diseases, most notably
hypertension, ischemic heart disease,
heart failure, stroke, cardiac arrhythmias,
and pulmonary hypertension.
Sleep-Disordered Breathing and Cardiovascular Disease
Robert Wolk, MD, PhD; Tomas Kara, MD; Virend K. Somers, MD, PhD
(Circulation. 2003;108:9-12)
© 2008 AUTONOM HEALTH ®
“Traditional” Holter
Arrhythmias
Holter
Recording
treat
Arrhythmias
© 2008 AUTONOM HEALTH ®
Arrhythmias
Holter
Recording
treat
Arrhythmias
?
treat
Cause of
Arrhythmia
”Beyond” Holter
© 2008 AUTONOM HEALTH ®
OSA as Cause of Arrhythmias
Arrhythmias
OSA
treat
OSA/SAS
Medilog AR
Advanced Holter
Recording
© 2008 AUTONOM HEALTH ®
OSA  Arrhythmien
• Sinus arrest
• SA Block
• AV Block
Pausen,
Bardykardie
© 2008 AUTONOM HEALTH ®
Arrhythmia Apnea
© 2008 AUTONOM HEALTH ®
Regulation ?

Apnoe screening

  • 1.
    © 2008 AUTONOMHEALTH ® Apnoe Screening
  • 2.
    © 2008 AUTONOMHEALTH ® Atmung Herzvektor
  • 3.
    © 2008 AUTONOMHEALTH ® Das EDR Signal – ECG Derived Respiration ZOOM EDR Herzfrequenz
  • 4.
    © 2008 AUTONOMHEALTH ® Apnoe Screening Automated detection of obstructive sleep apnoea at different time scales using the electrocardiogram Philip de Chazal, Thomas Penzel and Conor Heneghan Physiological Measurement 25 (2004) 967-983
  • 5.
    © 2008 AUTONOMHEALTH ® • 10 Hz Resampling • FIR Filter fg = 1 Hz High-Resolution EDR EDR Basics
  • 6.
    © 2008 AUTONOMHEALTH ® Quantifizierung der Atmungstätigkeit Hilbert Transformation H(EDR) = abs(EDR * 1/(π*t)) Vogelperspektive
  • 7.
    © 2008 AUTONOMHEALTH ® Respiration Activity Overview
  • 8.
    © 2008 AUTONOMHEALTH ® Apnoe Screening
  • 9.
    © 2008 AUTONOMHEALTH ® Obstruktive Schlaf Apnoe OSA has been associated with several cardiovascular diseases, most notably hypertension, ischemic heart disease, heart failure, stroke, cardiac arrhythmias, and pulmonary hypertension. Sleep-Disordered Breathing and Cardiovascular Disease Robert Wolk, MD, PhD; Tomas Kara, MD; Virend K. Somers, MD, PhD (Circulation. 2003;108:9-12)
  • 10.
    © 2008 AUTONOMHEALTH ® “Traditional” Holter Arrhythmias Holter Recording treat Arrhythmias
  • 11.
    © 2008 AUTONOMHEALTH ® Arrhythmias Holter Recording treat Arrhythmias ? treat Cause of Arrhythmia ”Beyond” Holter
  • 12.
    © 2008 AUTONOMHEALTH ® OSA as Cause of Arrhythmias Arrhythmias OSA treat OSA/SAS Medilog AR Advanced Holter Recording
  • 13.
    © 2008 AUTONOMHEALTH ® OSA  Arrhythmien • Sinus arrest • SA Block • AV Block Pausen, Bardykardie
  • 14.
    © 2008 AUTONOMHEALTH ® Arrhythmia Apnea
  • 15.
    © 2008 AUTONOMHEALTH ® Regulation ?