Which of the following statements are true about Flail chest? 1. Fracture of 3 or 4th ribs 2. Mechanical ventilation always needed 3. Mediastinal shift 4. Inward movement of chest wall during inspiration 5. Ultimately leads to Respiratory failure
3,4,5 True & 1,2 False 3,4,5 False & 1,2 True 1,4,5 True & 2,3 False 1,2,4 False & 3,5 True