Dear ER nurse at Eastern Hospital,
I did not appreciate your gaze when I mentioned that my patient has a VP shunt. When I mentioned the hydrocephalus, you should have pieced the two together. I was able to use my deductive reasoning abilities when the Nursing Home RN said that my patient has some kind of ventricular shunt. I asked if it was for hydrocephalus, she said yes. Since you cannot use your brain this morning I will provide the information for you, courtesy of the National Institute of Health:
Ventriculoperitoneal shunt is surgery that is done to relieve pressure inside the skull (intracranial pressure). This pressure is caused by too much cerebrospinal fluid (CSF) on the brain (hydrocephalus). The fluid is drawn off (shunted) from the ventricles in the brain into the abdominal (peritoneal) cavity. In rare cases the fluid is shunted into the pleural space in the chest (the thin covering of the lungs). Taken from http://www.nlm.nih.gov/medlineplus/ency/article/003019.htm
See the interweb can be useful!