Emergency Treatment Identifying Three Grades of Airway Foreign Body Obstruction Level 1: Able to speak and cough Level 2: Inability to breathe, speak without sound, unable to speak or speak Level 3: Loss of consciousness First stage processing Encourage patients to cough If necessary, call 120 Second stage processing Inability to breathe-use the Heimlick maneuver Stand behind the patient With one hand clenched and your thumb a little above your navel The other hand grasps the clenched hand. Rapid upward impact Repeat until breathable or emergency personnel arrive Third stage processing A condition of loss of consciousness Start with cardiac arrest Never It is extremely dangerous to eat in water. Never eat in water after obstruction occurs again.