(I am new to all this)
From what I have read, Graves disease is hyper
and hyper seems to cause pulsatile
tinnitus, while hypo seems to cause constant
tinnitus. In the case of the pulsatile, in some cases a physician can hear it with a stethoscope, due to the blood flow increase. Very interesting how thyroid is somehow connected to the auditory nerves. The ENT I went to never even mentioned this to me. Amazing how this is so overlooked.