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Respiratory Therapist

Category - Patient Evaluations and Recommendations

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A portable chest x-ray was performed on a patient in the ICU. The radiologist’s interpretation and your own viewing confirm blunted costophrenic angles.

This finding is compatible with which of the following?

The film being under penetrated
The film being over penetrated
The patient has a pleural effusion
The patient has a tracheal shift

Explanation

Answer: C - Blunting of the costophrenic angles indicates a pleural effusion.

An underpenetrated film would be too light. An over-penetrated film would be too dark. A patient with a tracheal shift would cause the thorax to shift away from affected side.

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