The respiratory therapist is evaluating a child with suspected foreign body aspiration. The radiographer gently adds pressure to the abdomen during expiration to take the chest radiograph. If an obstruction is confirmed, what changes should the RT expect to see?

Question

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Forced expiratory images are used in assessing the presence of a pneumothorax and to evaluate for foreign body aspiration in small children. When assessing foreign body aspiration in very young patients, the radiographer may gently add pressure to the abdomen during expiration. If an obstruction is present, the affected lung will not decrease in size but remain normal to hyperexpanded.

The Respiratory Therapist Is Evaluating a Child with Suspected Foreign