Intense Bronchospasm immediately after intubation or  After extubation or Anticipated bronchospasm in PEDIATRIC or Adult Patients can be Cured and also prevented  — By instillation Of  1-2  cc of  Lidocaine with Adrenaline   Into the Endotracheal tube or glottis. Lidocaine by  Reducing the sensitivity Of Airways + Adrenaline by direct bronchodilator action kindly try this and share your experiences