Correct!
5. All of the above
All of the listed considerations could result in extensive volume loss affecting one side of the thorax. In this case, a previous left pneumonectomy is certainly expected to produce extensive left thoracic volume loss; left mainstem bronchial obstruction could do the same. Absence of the left lung (agenesis, aplasia) would also produce these findings. Right-sided space occupying lesions, such as pneumothorax, pleural effusion, and post-obstructive air trapping can produce contralateral cardiomediastinal shift and thus produce findings similar to those seen on the chest radiograph displayed in Figure
Antimicrobial therapy was initiated for the patient’s right lower lobe bronchopneumonia.
Which of the following represents the most appropriate next step for the management of this patient? (Click on the correct answer to proceed to the fifth of nine pages)