Dear doctor my father is having too much noise in his head like of electric current .
Like eeeeee also he have cramps and ache in his upper abdomen,
lft and kft test are normal pls note : hip replacement of his right leg done 2 years ago,also 2 disc are installed on his neck in spinal cord 14 years back and his gall bladder is removed .
His blood test for thick blood is done and it is normal . Can u please tell what he is suffering from