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Related Experiment Videos

Pulsus paradoxus: a definition revisited.

I H Santoro1, A Neumann, J D Carroll

  • 1Department of Medicine, University of Chicago Medical Center, IL 60637.

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|July 1, 1991
PubMed
Summary

Pulsus paradoxus, a significant drop in systolic blood pressure during inspiration, is detailed. This study explains its definition and presents a case with advanced imaging and pressure recordings.

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Area of Science:

  • Cardiology
  • Physiology

Background:

  • Pulsus paradoxus is a clinical sign linked to various conditions.
  • It is characterized by a >10 mm Hg inspiratory decrease in systolic blood pressure.

Observation:

  • Kussmaul's original definition and etymology of "pulsus paradoxus" are discussed.
  • A case study illustrates pulsus paradoxus with detailed graphical data.

Findings:

  • Simultaneous recordings included 2D targeted M-mode and Doppler echocardiography.
  • High-fidelity pressure recordings were utilized for comprehensive analysis.

Implications:

  • Understanding pulsus paradoxus aids in diagnosing underlying clinical conditions.
  • Advanced echocardiographic and pressure monitoring techniques enhance diagnostic accuracy.

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