130. A patient with an acute asthma exacerbation presents with “pulsus paradoxus” (a decrease in systolic blood pressure during inspiration). What is the critical clinical urgency in assessing this sign?
A.
It indicates a mild exacerbation.
B.
It signifies severe airway obstruction and impending respiratory failure.
✓
C.
It suggests cardiac tamponade.
D.
It is a normal physiological response.
📖 Additional Information
It indicates a mild exacerbation.
It signifies severe airway obstruction and impending respiratory failure.
