Key result
Pulsus paradoxus in cardiac tamponade represents a pathophysiologic continuum that is reviewed based on updated clinical and physiologic literature.
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Design
Review
Supports viewing pulsus paradoxus as a continuum in tamponade; leaves open validation of spectrum-based thresholds.
Pulsus paradoxus has interested physicians for more than a century. Since McGregor's comprehensive New England Journal of Medicine article in 1979, there have been no updated reviews; accordingly, we review pulsus paradoxus based on the clinical and physiologic literature and personal experience.
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Swami et al. (2003) studied this question. Pulsus paradoxus in cardiac tamponade represents a pathophysiologic continuum that is reviewed based on updated clinical and physiologic literature.
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