A 31 year old male presents after what is thought to be a superficial penetrating chest wound. You perform an ultrasound.
What does the ultrasound demonstrate?
- A pneumothorax is present.
- Chest wall movement can be seen with each breath, with the intercostal muscles rising and falling.
- Despite chest wall movement there is no lung sliding, no short path reverberation artefacts (the echogenic vertical artefacts known as B-lines and comet tail artefacts in lung), and the long path reverberation artefacts (the bright horizontal repetitive artefacts known as A-lines in lung) are accentuated and still.
- The parietal pleural surface with the free air deep to it acts as a mirror and the tissues superficial to the pleural line can be seen reflected below.
You perform an ultrasound scan on the contralateral side of the chest. What does the ultrasound demonstrate?
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