Thanks Andy,
We're at the hospital.  You're right about what likely happened.
His CAT scan is normal, but he was at a family gathering last nigh after
A stressful week at work.  He was served some strong drinks and he
Had more than his comfort level.  This morning whlie doing errands for
His children he collapsed and had a seizure.  The back of his head is 
Badly bruised.  I wonder if the seizure was caused by the fall and head
Injury - or if he fell because of the seizure.  He has no such history, his
Hg is around 120.  His phosphate levels were found to be low.  
His children are 3 years old and 6 months old.  I pray that he is ok and
That this will not re occur.  
Thank you so much for your help,
Sharmin