According to the data you provided, you might be experiencing pulsatile tinnitus. It is a condition in which there is an ear noise that is perceived as a rhythmic pulsing. It is usually caused by blood flow disturbances. The reason for these disturbances is increased blood flow or narrowed blood vessels, both causing turbulent blood flow.
Some of the reasons for the disturbances include: Atherosclerotic Carotid Artery Disease (diagnosed with Doppler), benign intracranial hypertension, glomus tumor, middle ear effusion. Various tests are used to confirm or rule out each of these diagnoses. You might want to visit an Ear, Nose and Throat specialist or neurologist for additional tests.
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