Why the study?
Does a pulsus paradoxus greater than 10 mm Hg help diagnose cardiac tamponade in patients with a pericardial effusion?
Does a pulsus paradoxus greater than 10 mm Hg help diagnose cardiac tamponade in patients with a pericardial effusion?
In patients with pericardial effusion, a pulsus paradoxus >10 mm Hg is a key clinical finding to help identify cardiac tamponade.
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Supports tamponade evaluation at bedside in effusion; leaves open need for confirmatory testing in practice and trials.
Roy et al. (2007) studied this question.
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