Do you think she could be having little seizures?
Please read more about seizures simptoms and compare.... i hope it is not but if you are giving honey that would stop the hypoglicemia ....
I know nothing about the liver shunt but here there are a lot of people experienced with it that can give you advice.
Anyways i would consider the vet visit ASAP... the more you delay usually the more costly it is...
Good Luck
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