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Hurricane IKE and the Common Carotid Artery

October 9, 2008
by jlee
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The massive 200 mile wide Hurricane IKE devastated coastal Texas and caused major damage inland as far as the Great Lakes. Millions of people are still feeling the effects of IKE as they struggle back to normal life. My personal post IKE experience includes; 6 sweltering nights without power, hours waiting in line for gas or entry into the local grocery store and more than 40 hours of volunteering providing aide to others who were completely overcome by the storm. Believe it or not, I also spent a lot of time without power thinking about how I could relate a posting about IKE to the PACS and Digital Imaging Blog. Well here we go…

Doppler Radar in Weather Imaging and Doppler Sonography in Ultrasound Imaging

The Doppler effect (or Doppler shift), named after Christian Doppler, is the change in frequency and wavelength of a wave for an observer moving relative to the source of the waves.

Doppler radar is radar using the doppler effect of the returned echoes from targets to measure their radial velocity. To be more specific the microwave signal sent by the radar antenna's directional beam is reflected toward the radar and compared in frequency, up or down from the original signal, allowing for the direct and highly accurate measurement of target velocity component in the direction of the beam. Doppler radars are used in air defense, air traffic control, sounding satellites, police speed guns, and radiology.




Dr. Bormel —

Thank You for your response...I can easily understand why a peripheral / doppler US unit is kept nearby in the ED or Trauma Room. It's good to know that there are still some veterans of the science that take advantage of real-time imaging technology!!!