neurology




1.Is there any relationship between occurrence of seizure to brain stroke. If yes what is the mechanism behind it?

seizures after ischaemic strokes. An increase in intracellular Ca2+ and Na+ with a resultant lower threshold for depolarisation, glutamate excitotoxicity, hypoxia, metabolic dysfunction, global hypoperfusion, and hyperperfusion injury 

Seizures after haemorrhagic strokes are thought to be attributable to irritation due to (hemosideri. Deposits)caused by products of blood metabolism

Late onset seizures are associated with the persistent changes in neuronal excitability and gliotic scarring is most probably the underlying cause. 
2. In the previous episodes of seizures, patient didn't loose his consciousness but in the recent episode he lost his consciousness what might be the reason?
Initially the patient might have had Simple partial seizures (no loss of consciousness) and might have progressed to Generalised Tonic Clonic seizures (loss of consciousness)




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