A 20-year-old male presents with an acute attack of allergic asthma. Physical examination reveals severe dyspnea with mild cyanosis, bilateral wheezes, and a heart rate of 110/min. Which of the following treatments is NOT the first-line choice?
A 20-year-old male presents with an acute attack of allergic asthma. Physical examination reveals severe dyspnea with mild cyanosis, bilateral wheezes, and a heart rate of 110/min. Which of the following treatments is NOT the first-line choice?