Clinical entities requiring respiratory support

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* Severe Pulmonary Edema: (See CHF) * Impending ARDS - Sepsis - Shock - Prolonged Hypotension - Massive Transfusion - Severe Pancreatitis - Head Trauma / Multiple Trauma * Severe Chest Trauma / Flail Chest / Pulmonary contusion; * COPD/Bronchospasm * Coma