2. It is a life saving procedure by creating a surgical opening into the trachea bypassing an upper respiratory obstruction. It can be done as an emergency or electively. (stomy = stoma = opening). DEFINITION
6. B) Protection of tracheobronchial tree : (Reduction of secretions): 1- Myathenia Gravis, Polyneuritis. 2- Brainstem Stroke. 3- Multiple rib fractures. INDICATIONS
7. C) Respiratory Failure (Reduction of dead space ): 1- Chronic obstructive airway disease. 2- Severe bronchial asthma. 3- Gillian Barry syndrome. 4- Abnormal thoracic cage (thoracic kyphosis). INDICATIONS
8. D) Assisted ventilation (Prolonged intubation) 1- Prolonged coma for any cause 2- Extensive faciomaxillary surgery. 3- Any condition needing IPPR , artificial or mechanical respiration. INDICATIONS