What is the recommended action if a foreign body cannot be removed from a patient's airway?

In cases where a foreign body obstructs a patient's airway and cannot be removed through standard methods such as abdominal thrusts or encouraging coughing, a cricothyroidotomy may be necessary. This procedure involves creating an opening in the cricothyroid membrane, allowing for direct access to the airway to establish ventilation.

Performing a cricothyroidotomy is particularly appropriate when other measures have failed and the patient is in immediate danger of asphyxiation due to the obstruction. It is a critical intervention that requires proper training and is usually employed in emergency situations by trained personnel.

The other options available do not effectively address a severe airway obstruction. Abdominal thrusts are typically used for conscious patients with a complete obstruction, while administering IV fluids does not pertain to airway management. Encouraging coughing could help in certain circumstances, but it may not be effective if the object cannot be dislodged through that method. Thus, a cricothyroidotomy is the appropriate medical procedure to ensure the airway is secured when faced with such a life-threatening situation.