Passy-Muir valve

Case contributed by Dr Jayanth Keshavamurthy


Follow up chest radiograph

Patient Data

Age: 70 years
Gender: Female

Can you name this device?


Patient has had complete laryngectomy for squamous cell cancer of larynx.  There is a Passy-Muir valve covering the tracheostomy.

Case Discussion

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.

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