Pulsus Paradoxus

[postlink]http://abcheart.blogspot.com/2011/05/pulsus-paradoxus.html?m=0[/postlink]

http://www.youtube.com/watch?v=jTsjCZ9QxW8endofvid
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The video explains Pulsus Paradoxus.

Pulsus Paradoxus or Paradoxical pulse, is defined as an exaggeration (more than 10
torr) of the normal variation during the inspiratory phase of  respiration, in which
the blood pressure declines as one inhales and increases as one exhales. It is a sign
that is indicative of several conditions including Cardiac Tamponade, Pericarditis
including, croup, chronic sleep apnea and obstructive lung disease.
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