![]() ![]() ![]() It can, occasionally, be bilateral (affecting two ears) if the underlying cause is affecting blood flow to both ears. Pulsatile tinnitus usually is unilateral, meaning it only affects one ear. Tinnitus that cannot be detected by a clinician but is heard by the patient is considered to be subjective tinnitus, and tinnitus that can be detected by the patient and the clinician is considered to be objective tinnitus. Unlike non-pulsatile tinnitus, pulsatile tinnitus usually has an underlying cause because it is linked to the ear as well as a physical source of sound (i.e., a location in the body that has interrupted blood flow.) Some examples of these are: irregular blood vessels, high blood pressure, anemia, overactive thyroid gland, atherosclerosis, connection problems between arteries and veins, and less commonly, head and neck tumors. It is less common than non-pulsatile tinnitus and affects less than 10% of people. Pulsatile tinnitus (PT) is a condition with multiple etiologies or causes most of which are related to blood vessel disorders. Often, patients report that they may hear a “swooshing, thumping, or whooshing” sound. It can also be referred to as “physical tinnitus” or “somatosounds”. When individuals have circulatory system disorders, they may note that their tinnitus resembles a pulsating sound similar to a heartbeat. It is usually part of an underlying condition such as hearing loss, history of noise exposure, and even circulatory system disorders. Interestingly enough, tinnitus is not considered a condition itself. Tinnitus affects anywhere from 15-20% of people. Some individuals state that their tinnitus sounds like a ringing, buzzing, humming, hissing, roaring, or even a pulsating sound that resembles a heartbeat. Tinnitus is most commonly referred to as the conscious perception of a noise or sound in a person’s ear. ![]()
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