Final answer:
In cases when intubation and ventilation are not possible, a surgical airway procedure or a needle cricothyroidotomy can be performed to restore ventilation. Immediate medical assistance should be sought in such situations.
Step-by-step explanation:
If you are unable to intubate and ventilate a patient, it can be a life-threatening situation. In such cases, the next step is to perform a surgical airway procedure called a cricothyroidotomy. This involves making an incision in the front of the neck and inserting a tube directly into the trachea to bypass the upper airway obstruction and restore ventilation.
Another option is to perform a needle cricothyroidotomy, which involves inserting a large-bore needle through the cricothyroid membrane to create an emergency airway. This is a temporary measure that buys time until a definitive airway can be established.
It is crucial to call for emergency medical care immediately if you are unable to intubate or ventilate a patient, as these situations require urgent intervention by trained medical professionals.