A choking patient becomes unresponsive.

Comprehensive and Detailed Explanation From Exact Extract:

If a choking patient becomes unresponsive, EMTs should:

Check for a pulse

Begin chest compressions if no pulse is foundChest compressions can help dislodge the object. After compressions, the airway should be opened and inspected. Back blows are not appropriate for unconscious patients.

Ventilation is attempted after clearing the airway or if no object is seen. Do not withhold compressions waiting for object removal.