Key result
Right ventricular diastolic collapse was more sensitive and specific than pulsus paradoxus in detecting early changes in intrapericardial pressure during cardiac tamponade in 6 conscious dogs.
Why the study?
Does right ventricular diastolic collapse provide better early detection of cardiac tamponade compared to pulsus paradoxus in a canine model?
Population
6 chronically instrumented, conscious dogs
Comparison
Echocardiographic assessment of right… vs Pulsus paradoxus
Design
Preclinical
Authors
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RV diastolic collapse merits human validation for early tamponade detection; leaves open superiority to pulsus paradoxus in clinical practice.
Does right ventricular diastolic collapse provide better early detection of cardiac tamponade compared to pulsus paradoxus in a canine model?
Right ventricular diastolic collapse is a more sensitive and specific echocardiographic sign than pulsus paradoxus for the early detection of cardiac tamponade in a canine model.
Klopfenstein et al. (1985) studied Cardiac tamponade (n=6). Right ventricular diastolic collapse (RVDC) vs. Pulsus paradoxus was evaluated on Detection of changes in intrapericardial pressure early in cardiac tamponade. Right ventricular diastolic collapse was more sensitive and specific than pulsus paradoxus in detecting early changes in intrapericardial pressure during cardiac tamponade in 6 conscious dogs.
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