How do you insert a OPA into a child?

Inserting an orogastric tube (OPA) into a child involves several careful steps. First, ensure the child is in a comfortable position, usually sitting or semi-upright, and explain the procedure to alleviate anxiety. Measure the tube from the corner of the child's mouth to the earlobe and down to the xiphoid process, then lubricate the tip and gently insert it into the mouth, guiding it along the oropharynx. Always monitor the child's comfort and respiratory status throughout the procedure.