Apnoe screening

© 2008 AUTONOM HEALTH ®

Apnoe Screening


Atmung Herzvektor


Das EDR Signal – ECG Derived Respiration

ZOOM

EDR

Herzfrequenz


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


• 10 Hz Resampling

• FIR Filter fg = 1 Hz

High-Resolution EDR

EDR Basics


Quantifizierung der Atmungstätigkeit

Hilbert TransformationH(EDR) = abs(EDR * 1/(π*t))

Vogelperspektive


Respiration Activity Overview


Apnoe Screening


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)


“Traditional” Holter

Arrhythmias

HolterRecording

treatArrhythmias


Arrhythmias

HolterRecording

treatArrhythmias

?

treatCause of

Arrhythmia

”Beyond” Holter


OSA as Cause of Arrhythmias

ArrhythmiasOSA

treatOSA/SAS

Medilog ARAdvanced Holter

Recording


OSA Arrhythmien

• Sinus arrest

• SA Block

• AV Block

Pausen,

Bardykardie


Arrhythmia Apnea


Regulation ?

Health & Medicine

Apnoe screening