Brief episodes of pulsatile tinnitus left ear only upon standing up? . multiple normal 3t mri/a cta head neck for headaches. normal bp and weigh.

Orthostasis: Check orthostatic BP and pulse. Use elastic support hose............If there is no local pathology in the ear...

Neuro-Otologist: You may want to have this evaluated in more detail by a neurologist or neuro-otologist. The tinnitus may be related to a condition of the inner ear and a neuro-otologist may be able to examine this more closely. Dural arterio-venous fistulas may rarely present with pulsatile tinnitus. However, these are usually seen on mri/mra/cta.

See an ENT: Pulsatile tinnitus is due to a change in blood flow in the vessels near the ear. Pulsatile tinnitus can have many causes. If a specific cause is found, this may point to a specific solution. See an ENT for consultation.