Def. ****Inspiration causes dramatic fall in sBP.
For !Cardiac Tamponade
Normally: during inspiration, septum is pushed to the R
Cardiac tamponade: during inspiration, increased venous return -> septum is pushed to the L → drop of CO → drop of BP ≥ 10 mmHg
Maneuver:
Pulsus Paradoxus and Blood Pressure Measurement Techniques
https://youtu.be/jTsjCZ9QxW8