Lactic Acidosis During and After Seizures

Inclusion Criteria:

   1. Age 18-75 inclusive.

   2. History of at least one generalized tonic-clonic (grand mal) seizure prior to
   enrollment in the study.

   3. Undergoing monitoring in the Stanford Epilepsy Monitoring Unit.

   Exclusion Criteria:

   4. Not pregnant.

   5. Inability to understand and sign the consent form.

   6. No known history of mitochondrial disease or other metabolic disorders expected to
   affect blood lactate.

   7. No known history of thrombophlebitis or excessive tendency to bleeding. Not on
   coumadin. Aspirin or anti-platelet agents are not an exclusion.

   8. No known peripheral vascular disease affecting blood circulation to the fingers.

   9. No painful peripheral neuropathy.

10. No Raynaud's disease or phenomenon.