Why is the y descent abolished in cardiac tamponade?

Updated: Nov 28, 2018
  • Author: Chakri Yarlagadda, MD, FACC, FSCAI, FASNC, CCDS; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
  • Print
Answer

The y descent is abolished in the jugular venous or right atrial waveform. This is due to an increase in intrapericardial pressure, preventing diastolic filling of the ventricles.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!