Networked and Embedded Systems Laboratory

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Abstract 
The use of high-energy X-rays for medical imaging is so well
established that it is known even by the typical pedestrian. However,
X-ray imaging has a number of draw backs including a lack of
functional imaging, an inability to image soft tissue without toxic
contrast materials, and the inherent hazards in exposure to ionizing
radiation. In interventional cardiology, X-ray images merely provide a
rough outline of the heart and clinicians must rely on intuition and
the tactile response of their probes for guidance. In this talk we
present early research on the use of electrostatic transconduction --
the use of near-field longitudinal dielectric waves -- for digital
communication and sensing purposes and discuss its potential in
displacing X-ray imaging in cardiac ablation procedures. This talk
will be jointly presented by Dorothea Hall, MD, of the UCLA Medical
Center and Jonathan Friedman, MSEE, of NESL/CENS.

Watch the Seminar 
<a href="http://nesl.ee.ucla.edu/fw/documents/slides/2009/2009_07_CENS_Talk_BeyondXray_LoRes.wmv">Low-resolution, 50MB, 150kbps WMV</a> 
<a href="http://nesl.ee.ucla.edu/fw/documents/slides/2009/2009_07_CENS_Talk_BeyondXray_HiRes.wmv">High-resolution, 390MB, 1.1Mbps WMV</a>

Jonathan Friedman is a Ph.D. Candidate in Electrical Engineering in
the Networked Embedded Systems Laboratory (NESL) and the Center for
Embedded Networked Sensing (CENS) at the University of California, Los
Angeles (UCLA). Jonathan attended the Georgia Institute of Technology
(Georgia Tech) for his undergraduate education where he received a
B.S. degree in Computer Engineering with an emphasis on embedded and
mixed signal design. His M.S. degree is from UCLA in Electrical
Engineering with a thesis entitled: "IRIS: The Design of a Ultra-low
Power Infrared Communications and Obstacle Avoidance Array for Fleets
of Mobile Sensor Nodes Operating in Dynamic Environments." Jonathan
previously served as the Assistant Director of IT for an IMAX
(large-format movie theaters) subsidiary, has founded three startup
companies, won four design awards, sent over one-hundred product
designs into commercial production, and holds two patents. His current
research interests lie in sensor-systems design for salt-water and
biomedical applications.

Dorothea Hall, M.D. is a Clinical Instructor in the Department of
Anesthesiology at the David Geffen School of Medicine at UCLA. She
attended medical school at the Medical College of Wisconsin, Milwaukee
(MCW) where she also did her residency. She recently completed a
fellowship in cardiothoracic anesthesia and is board certified in
transesophageal echocardiography (heart ultrasounds taken though the
esophagus). She authored a case presentation for the 2007 American
Society of Anesthesiology (ASA) General Meeting. Her research
interests include perioperative radiation safety, cardiovascular
anesthesia, and cardiac catheterization procedures. She is currently
responsible for the training of anesthesia residents at the UCLA
Medical Center.

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