When is it appropriate to perform the Heimlich maneuver?

Performing the Heimlich maneuver is specifically indicated when an individual is experiencing severe airway obstruction. This situation arises when the person is unable to breathe or speak due to a blockage in the airway. The Heimlich maneuver aims to produce pressure in the abdominal area, which can help expel the object causing the obstruction and restore airflow.

When someone is choking but can still talk, as mentioned in another choice, the airway may not be completely obstructed. In such cases, the individual often can still cough forcefully, which is a natural response to clear the airway. Therefore, performing the Heimlich maneuver in this scenario could potentially cause more harm than good.

Similarly, chest pain is not an indication for the Heimlich maneuver, as this procedure is targeted at clearing the airway, not addressing cardiac issues. Lastly, the Heimlich maneuver is unrelated to first aid for bleeding wounds, which requires a different approach focused on controlling bleeding rather than addressing airway obstructions. Understanding these specific contexts ensures that the Heimlich maneuver is only applied when it is clinically appropriate and necessary.