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Seizure, dysphasia, blindness and amnesia; what's the connection?
  1. Mireia Moragas-Garrido1,
  2. Colin Goudie1,
  3. Conrad Schmoll2,
  4. Stephen Madill2,
  5. Andrew Farrall3,
  6. Richard Davenport1
  1. 1Department of Clinical Neurosciences, Western General Hospital, Edinburgh, UK
  2. 2Department of Ophthalmology, Princess Alexandra Eye Pavilion, Edinburgh, UK
  3. 3Department of Neuroradiology, Western General Hospital, Edinburgh, UK
  1. Correspondence to Dr Mireia Moragas-Garrido, Neurology Consultant, Department of Clinical Neurosciences, Western General Hospital, Crewe Road South, EH4 2XU, Edinburgh, UK; mireiamoragas{at}

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A 70-year-old right-handed man was admitted to the general medical department after his first ever generalised seizure. His past history included resection of a bowel carcinoid tumour in 2003 and Alzheimer's disease, diagnosed in 2011 because of isolated short term memory problems. He was independent in activities of daily living and otherwise well. His medications were rivastigmine, citalopram, aspirin, loperamide and omeprazole. He did not smoke and drank little alcohol.

On examination, he was febrile (38°C) but with no other signs of infection. He was fully conscious but reportedly ‘confused’. He had a right-sided pyramidal weakness but no other signs. Routine blood tests and a CT scan of head were normal. Lumbar puncture (LP) showed clear cerebrospinal fluid (CSF) with a red cell count of 4/µl, white cell count of 2/µl (≤5), protein 0.33 g/l (0.15–0.45) and normal CSF glucose 4.0 mmol/l, with plasma glucose 5.6 mmol/l. He was treated with aciclovir and ceftriaxone. Ceftriaxone was stopped when blood cultures/CSF showed no growth, and aciclovir stopped after 4 days when PCR of CSF for herpes simplex virus (HSV) was negative. A urine sample was positive for group B streptococcus, and he received a 7-day course of co-amoxiclav. On discharge, he was described as ‘confused’ but the right-sided weakness and fever had resolved.

Question 1

How would you fit all of this together, and are his investigations complete?


At the time, it was thought that his seizure had been precipitated by a urinary tract infection, in a vulnerable brain due to Alzheimer's disease. His persisting ‘confusion’ was thought to be postictal and would settle. However, in retrospect, there are several reasons to be sceptical about this. Seizures in Alzheimer's disease tend to occur in the advanced stages of the disease1 but his Alzheimer's disease was only recently diagnosed, and his symptoms were mild. While Alzheimer's …

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  • Competing interests None.

  • Provenance and peer review Not commissioned. Externally peer reviewed. This paper was reviewed by Mark Lawden, Leicester, UK.

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