病患因急性過敏反應(acute anaphylactic reaction)引發呼吸困難並伴隨哮鳴(wheezing),除應確保氣道暢通及給予氧氣外,並應優先注射下列那種藥物?
Midazolam
Diphenhydramine
Epinephrine
Methylprednisolone