Pulsatile tinnitus is uncommon. It accounts for roughly 4% to 10% of all tinnitus cases, making it far less prevalent than the more familiar ringing or buzzing type. But while it’s relatively rare, it’s medically significant because an identifiable, often treatable cause can be found in the majority of cases.
How It Compares to Regular Tinnitus
Standard tinnitus, the constant ringing or buzzing that affects about 15% of the global population, is extremely common. Most of those cases have no single fixable cause and are linked to age-related hearing loss, noise exposure, or nerve damage in the inner ear. Pulsatile tinnitus is a different condition entirely. Instead of a steady tone, you hear a rhythmic whooshing or thumping that matches your heartbeat. That distinction matters because it points to a vascular or structural source rather than nerve-related hearing changes.
Because of that rhythmic quality, pulsatile tinnitus is sometimes called “objective” tinnitus. In many cases, a doctor can actually hear the sound too by placing a stethoscope over the neck, behind the ear, or near the temple. Regular tinnitus is almost always subjective, meaning only the patient perceives it.
Who Gets It
Tinnitus in general is most common between the ages of 40 and 80, with prevalence climbing to about 33% in people over 60. Women make up a larger share of tinnitus patients overall, roughly 60% in clinical studies, with a slightly higher average age at presentation (61 years) compared to men (57 years). For pulsatile tinnitus specifically, the gender skew is even more pronounced. Several of the conditions that cause it, particularly elevated pressure inside the skull, disproportionately affect women of childbearing age who carry excess weight.
Why It Happens
The whooshing sound comes from turbulent blood flow near the ear. Normally, blood moves smoothly (in what’s called laminar flow) through arteries and veins. When something narrows, kinks, or redirects a blood vessel near your ear, the flow becomes chaotic and produces a sound you can hear internally. Think of it like the difference between water flowing through a wide-open garden hose versus one that’s partially pinched: the pinch creates noise.
The most common sources fall into a few categories:
- Venous sinus narrowing. The large veins that drain blood from your brain can become partially narrowed, creating turbulence right next to the inner ear structures. Placing a stent to reopen the narrowed vein restores smooth flow and typically eliminates the sound.
- Elevated intracranial pressure. A condition called idiopathic intracranial hypertension (IIH) raises the fluid pressure around your brain. Between 33% and 63% of people with IIH experience pulsatile tinnitus as a symptom, and for some it’s the very first or only sign.
- Abnormal blood vessel connections. Dural arteriovenous fistulas are abnormal links between arteries and veins in the membranes surrounding the brain. They create high-pressure, turbulent flow that produces a pulsing sound.
- Glomus tumors. These small, blood-rich growths can form in the middle ear or near the jugular vein. They’re rare, occurring in about 1 per million people, but pulsatile tinnitus and hearing loss are their hallmark symptoms. A doctor may see a reddish mass behind the eardrum during examination.
- Carotid artery problems. Atherosclerosis (plaque buildup) in the carotid arteries can generate a bruit, an audible turbulence, near the ear. In rarer cases, a tear in the carotid artery wall (dissection) can cause pulsatile tinnitus, sometimes as the only symptom. One published case involved a 38-year-old man whose pulsatile tinnitus started after stumbling, with no other complaints, and turned out to be a carotid dissection.
What Makes It Worth Investigating
The key difference between pulsatile and regular tinnitus is that pulsatile tinnitus frequently has an identifiable structural cause. That makes it more of a diagnostic clue than a standalone condition. Most of the causes are treatable, and some, like arteriovenous fistulas or carotid dissections, carry real risk if left unaddressed. Even the more benign causes, like venous narrowing, can often be corrected to resolve the symptom entirely.
Certain features raise the level of concern. Pulsatile tinnitus that appears suddenly, occurs on only one side, or is accompanied by headaches, vision changes, or any neurological symptoms warrants prompt evaluation. A carotid dissection, for example, can be associated with head and neck pain, changes in pupil size, brief vision loss, or signs of reduced blood flow to the brain.
How Doctors Evaluate It
The workup starts with a physical exam. Your doctor will listen with a stethoscope at several points: over the carotid arteries in the neck, in front of and behind the ear, and over the eye sockets. These locations trace the path of the major blood vessels and venous channels near the ear. If the doctor can hear the sound too, that strongly suggests a vascular source.
Imaging is the next step. MRI combined with magnetic resonance angiography (MRA) is recommended as the first-line approach. A comprehensive MRI protocol can reliably identify the most serious causes, including tumors, abnormal vessel connections, and signs of elevated intracranial pressure. MRI has higher overall sensitivity than CT for the range of conditions behind pulsatile tinnitus. CT is particularly limited for detecting elevated intracranial pressure.
For certain conditions, additional tools help. Ultrasound of the carotid arteries has been shown to be about 95% sensitive for detecting dural arteriovenous fistulas when specific flow patterns are measured. CT angiography picks up about 86% of these fistulas based on characteristic changes in the feeding arteries. Your doctor may order one or more of these depending on what the initial MRI shows or doesn’t show.
What Treatment Looks Like
Because pulsatile tinnitus is a symptom rather than a disease, treatment targets whatever is causing it. For venous sinus narrowing, a stent can be placed inside the vein to widen it. The restored smooth blood flow eliminates the turbulence, and the whooshing typically stops. For IIH, treatment focuses on reducing intracranial pressure through weight management and, when needed, medications that decrease fluid production. Glomus tumors may be surgically removed or monitored depending on their size and growth rate. Arteriovenous fistulas are usually closed off through a catheter-based procedure.
The resolution rate depends on the cause, but many people experience complete relief once the underlying problem is addressed. This is a sharp contrast to standard tinnitus, where treatments focus on coping strategies rather than cures. If you’re hearing a rhythmic pulsing in one or both ears, the fact that it’s uncommon is actually encouraging: it means there’s likely something specific causing it, and something specific that can be done about it.