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People in the experiment were deemed unconcious from 1.6 seconds to almost 10 seconds after the choke began. Others were not choked out after 20 seconds. If you held the person who was unconcious after 1.6 seconds for another 8 or 9 seconds, you could cause permanent brain damage or death.
1. Assess the situation. Make sure the person is choking and determine whether it is a partial or total airway obstruction. If a person is experiencing mild choking, or partial airway obstruction, you are better off letting him cough to remove the obstruction himself.f the person responds: 1  Reassure the person. 2  Encourage the person to cough to try to clear the blockage. 3  Keep monitoring the situation and be prepared to help in the case that the person's airway becomes fully blocked or the choking becomes severe.