Nausea And Lethargy In A Shunted Patient


Consult Page

25 yo M hx VP shunt p/w lethargy and nausea. Recs?

Initial Imaging

Fig. 60.1, X-ray shunt series.

Fig. 60.2, Axial head CT without contrast demonstrates moderately-sized ventricles which are stable compared to prior imaging. The patient’s left proximal catheter as well as an abandoned right catheter are seen.

Walking Thoughts

  • What is the patient’s neurological exam and current vitals?

  • What are the patient’s symptoms? What is the timeline of symptoms?

  • Why does the patient have a shunt?

  • What type of shunt is currently in place?

  • What is the patient’s shunt history?

    • When was the shunt placed?

    • Has the patient ever required a shunt revision and if so, when was the last one?

    • Has the patient ever had a shunt malfunction? If so, what symptoms did the patient have at that time?

    • Was the shunt setting recently changed?

  • Is there prior imaging of the patient’s ventricles? If so, does the patient’s ventricles change in size with prior shunt malfunctions?

  • Does the patient need an urgent bedside procedure (e.g. shunt tap)?

  • Does this patient need to go to the operating room for a shunt revision? If so, what is the timing of surgery?

  • Does the patient have other medical comorbidities?

  • Is the patient on any antiplatelet or anticoagulant medications?

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