What is the term for an inspiratory fall in systolic blood pressure exceeding 10 mm Hg?
a. Pulsus paradoxus
b. Stage I hypotension
c. Swanson's phenomenon
d. Hoover's sign
A
Pulsus paradoxus is defined as an inspiratory fall in systolic blood pressure greater than 10 mm Hg. It can occur with the large intrapleural pressure swings than may happen during a severe asthmatic episode and is associated with a life-threatening situation.
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