s disease often describe a low pitched
tinnitus resembling a hiss or a roar. Pulsatile
tinnitus (
tinnitus that beats with your pulse) can be caused by aneurysms, increased pressure in the head (hydrocephalus), and hardening of the arteries. Anything that increases blood flow or turbulence such as hyperthyroidism, low blood viscosity (e.g. anemia), or tortuous blood vessels may cause pulstitle tinnitus. Vitamin B12 deficiency is common in tinnitus patients.