What is the role of respiratory failure in the development of cardiac tamponade?

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

Large decreases in intrathoracic pressure with deep inspirations, often observed during respiratory failure, can accentuate pulsus paradoxus, simulating pericardial tamponade.


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