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Estimating Jugular Venous Pressure Heywood

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Uploaded by on Feb 21, 2008

Using neck veins to estimate central venous pressure. Created by J Thomas Heywood, special thanks to the Weaver family

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Education

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Uploader Comments (jtheywood)

  • 2 questions! 1. How is this technique different from the technique in which teh arm is raised and then lowered until the veins on the back of the hand can no longer be viewed. 2. What are the principles behind these techniques? i know that with the hand one, the point at which the veins collapse represent the point at which venous pressure is equal to hydrostatic pressure, but can you please expand on this? Thanks!

  • Both operate on the physics idea that the higher the pressure in a chamber the higher a column of mercury or water will rise when connected to it. The neck vein collapses when the top of neck vein = the pressure of the right atrium in cms of water. The same in the arm. I use the arm vein when the pressure in the RA is so high that I can not see the neck vein collapse. 1 mm of mercury pressure = 1.3 cm of water pressure because mercury is 13 times dense rthan water but 1 cm is 10 mm.

  • why isn't there any audio ?

  • I have added slides and audio to a new video

Top Comments

  • im confused. so was that you looking to see if the patient had a raised JVP?

    because i've seen so many different techniques of measuring the JVP.. its getting frustrating.

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All Comments (12)

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  • so,the venous jugular pressure is ... ?????

  • ese qliao esta cagao

  • hey man, this is called hepatojular reflex, he is doing it the proper way....this is a good video

  • this is fantastic, you guys rock.

  • Good job. Keep up the good work.

  • excellent teaching tool clearly showing what is sometimes hard to describe in words to students. You have been most generous to share this with all of us! In fact, I may even share this with some of my patients not just with my students.

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