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Pulsus paradoxus

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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This is an exaggeration of the normal pattern whereby the systolic pressure and the pulse pressure fall during inspiration. Normally the decrease in systolic pressure as measured by a sphygnomanometer is less than 10 mmHg.

Pulsus paradoxus is occasionally observed in patients with obstructive airways disease and pericardial tamponade.


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