Citation, DOI & case data
Keshavamurthy, J. Passy-Muir valve. Case study, Radiopaedia.org. (accessed on 30 Jun 2022) https://doi.org/10.53347/rID-27899
28 times by 5 users - see full revision history
25th Feb 2014
Inclusion in quiz mode:
Follow up chest radiograph
Age: 70 years
1 case question available
Can you name this device?
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Look at old images if available.
Look at all foreign bodies in detail.
When you look at neck and trachea the air overlying the larynx is wider than usual, this should clue you into it.