Archives for October, 2015

Oct
27

ND Venture Grant: Remote Patient Monitoring System

Dr Arash Nejadpak, an adjunct member of BERC, was successful in getting a North Dakota Venture Grant Phase I ($100K) to develop  a Remote Patient Monitoring System – VitaWiPSTM. The Co-PIs are Dr Rezai, Dr Tavakolian, Dr Noghanian and Dr Akhbardeh.       “The goal of this project is to develop and commercialize a wireless heart […]

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Oct
23

Patient Monitoring Using Ballistocardiography

Dr Zvika Shinar and Roman Karasik, from Earlysense LTD, gave a talk at EE department on the patient monitoring device developed   by the company which is based on Ballistocardiography.

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Oct
19

Cardiac Vibration Signals: New Tricks for Old Devices

Dr Kouhyar Tavakolian gave a talk at Qualcomm on Oct 19th titled:    Title: Cardiac Vibration Signals: New Tricks for Old Devices   Abstract: With every heartbeat the body is set to a series of vibrations that can be recorded unobtrusively, using different sensing technologies and from different sites on the body.  The techniques for […]

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Hello world!

Welcome to WordPress. This is your first post. Edit or delete it, then start writing!

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Oct
15

SmartSealz

he  high  emphasis  on  safety  while  operating vehicles, planes, and heavy machinery is essential. The operators, the company, and the public have great interest in safety due to concerns of public relations and customer well-being.  This  project  pursues  the  creation  of  a physiological alertness feedback  device  or “smart” ear seals for astronauts, pilots, and heavy […]

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Oct
15

Sleep Apnea

Sleep breathing disorder (SBD), characterized as abnormalities in breathing pattern during sleep, is quite common worldwide and largely undiagnosed. Since the recognition of sleep apnea in the late 1970s as the most common sleep breathing disorder, the emphasis on monitoring and measurement of respiratory flow and efforts during sleep has significantly increased. Measurement of both […]

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Oct
15

SCG Annotation

The SCG signal is measured by placing an accelerometer on the torso which captures the induced vibration of the heart propagated to the surface of the chest. The feasibility of using seismocardiogram (SCG), in conjunction with ECG, for finding cardiac time intervals was first investigated in 1990’s and has also been recently verified. Specific peaks […]

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Respiration Analysis of SCG

Respiration  affects  the  cardiovascular  system  significantly  and  this  is  observed  in  hemodynamic parameters  such  as  stroke  volume  and  heart  rate. The  morphology  of  signals  relevant  to  the  heart  also changes  with  respiration.  Such  changes  have  been  used  to  extract  respiration  signal  from  the electrocardiogram (ECG). It is also shown that accelerometers placed on the body […]

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PTT

SCG is a low frequency sternum vibrations, recorded by accelerometers 11. Certain points on SCG morphology correspond to aortic valve opening and closure, and from the time locations of these points, it is possible to derive systolic time intervals of pre-ejection period and left ventricular ejection time 12. PPG sensor on the other hand, is […]

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Blood Pressure Estimation

In this research we are exploring a Seismocardiogram (SCG) and Photoplethysmogram (PPG) signal as a marker of proximal pulse and distal pulse respectively for computing pulse transit time (PTT). PTT is a time taken by a pulse wave to travel from proximal site to the distal site, PTT being inversely proportional to blood pressure can […]

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