Final answer:
The Heimlich maneuver should be performed from behind on conscious adults and children only.
Step-by-step explanation:
The Heimlich maneuver, also known as abdominal thrusts, should be performed from behind on conscious adults and children only. This technique is used to help dislodge an object obstructing the airway. It involves standing behind the person and using your hands to apply upward pressure on the abdomen.
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