Medicine Consider following statements – During an acute attack of asthma: A Pulsus paradoxus develops when the FEV1 is less than 25% of the predicted value B A normal to increased PaCO2 signals a sever airway obstruction and impending respiratory failure C The aerial PaCO2 decreases and the aerial pH increases D All 💡 Explanation Consider following statements - During an acute attack of asthma: ✓ Correct Answer: D. All