Syncope or Seizure?

[HeadCase]

My wife found me on the floor at 2:30 in the morning, snoring, but with my eyes open while lying on my back.  I don't remember anything until the paramedics got there 20 minutes later.  I continued to be confused, couldn't remember my name or what year it was until I was in the emergency room.  CT scan, chest X-ray, and EKG showed normal.  Admitted to hospital, wore holter monitor the whole time (2 days), had BP checked periodically while sitting, standing, and lying down.  Nothing abnormal observed.  MRI of brain was also normal.  Neurologist diagnosed "voiding syncope".  I am skeptical.  Oh, my arms tingled and ached for 24 hours afterwards and I continued to have a headache when I coughed for a couple of days.  Any ideas?

[CCF-Neuro-M.D.-JT]

There is such a thing called micturition (voiding) syncope which occurs due to a sudden decrease in blood flow to the head due to stimulation of certain nerves. However, the fact that you were confused and amnestic afterwards for a prolonged period of time (>20min) is suggestive of a postictal event which is the period of time in which a patient is "out of it" following seizure activity. Glad that the MRI was ok, but consider going for further workup such as an EEG to evaluate for seizures or getting a second opinion. If everything continues to be ok, you should still be under close observation as an outpatient just in case this recurs. Good luck.

[HeadCase]

Thank you for your response.  I failed to mention that I did have an EEG while in the hospital (without the hyperventilation part).  It was OK, too.  I have in fact scheduled an appointment with another neurolgist for a second opinion.