For most chest x-ray studies, what is usually done?
a. There is a full exhalation.
b. There is a full inspiration.
c. Separate inspiratory and expiratory films are taken.
d. The patient is told to pant to provide a middle lung volume.
B
The vast majority of chest radiographs are taken at full inspiration when the breath is held. A patient with obstructive lung disease may also have an expiratory film taken to compare the position of the hemidiaphragms. Panting should not be done because the movement would blur the image on the film.
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