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There are two types of vertigo: Peripheral vertigo occurs if there is a problem with the part of the inner ear that controls balance (vestibular labyrinth or semicircular canals) or with the vestibular nerve, which connects the inner ear to the br...
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An acoustic neuroma is a benign , noncancerous, often slow-growing tumor of the nerve that connects the ear to the brain (8th cranial or auditory) nerve.
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An acoustic neuroma is a benign tumor involving cells of the myelin sheath that surrounds the vestibulocochlear nerve (eighth cranial nerve). The vestibulocochlear nerve extends from the inner ear to the brain and is made up of a vestibular branch, often called the vestibular nerve, and a cochlear branch, called the cochlear nerve.
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Detailed information on acoustic neurinoma, including symptoms, types, diagnosis, and treatment
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A vestibular schwannoma is a type of benign (non-cancerous) tumor that affects the eighth cranial nerve. The eighth cranial nerve is involved in both hearing (the auditory or acoustic component of the nerve) and balance (the vestibular component of the nerve).
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How successful is acoustic neuroma surgery?
David Vernick, M.D. is assistant clinical professor of otology and laryngology at Harvard Medical School and interim chief of the Division of Otology and Laryngology at Beth Israel Deaconess Medical Center.
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An acoustic neuroma is a benign tumor involving cells of the myelin sheath that surrounds the vestibulocochlear nerve (eighth cranial nerve). The vestibulocochlear nerve extends from the inner ear to the brain and is made up of a vestibular branch, often called the vestibular nerve, and a cochlear branch, called the cochlear nerve.
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Benign positional vertigo causes sudden sensations of spinning, typically provoked by head movement. See also: Vertigo
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Benign positional vertigo (BPV) is the most common cause of dizziness due to an impairment of the balance center in the ear. BPV was first described by Adler in 1987.
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Cerebral vascular insufficiency is defined as insufficient blood flow to the brain. The most common cause of decreased blood flow is atherosclerosis of the arteries that supply blood to the brain.
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A head injury is any trauma that leads to injury of the scalp, skull, or brain. These injuries can range from a minor bump on the skull to a devastating brain injury. Head injury can be classified as either closed or penetrating. In a closed head injury, the head sustains a blunt force by striking against an object. A concussion is a type of closed head injury that involves the brain. In a penetrating head injury, an object breaks through the skull and enters the brain. (This object is usually moving at a high speed like a windshield or another part of a motor vehicle.)
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Detailed information on head injury, including causes, symptoms, types, diagnosis, and treatment
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Detailed information on head injury, including causes, symptoms, types, diagnosis, and treatment
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Detailed information on head injury, including causes, symptoms, types, diagnosis, and treatment
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Head Trauma (Traumatic Brain Injury)Head trauma can be fatal. The effects from some types of head trauma may not appear right away.
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Detailed information on superficial injuries to the face and head
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My 4-month-old was hit in the head. It did not cause a big bruise, but then two hours after the incident he threw up twice. In this case should an infant be watched or taken to the emergency room?
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First Aid: Head InjuriesA strong blow to the head may cause swelling and bleeding inside the skull. The resulting pressure can injure the brain(concussion).If you have any doubts identifying a concussion, have a healthcare provider check the victi...
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Children hit their heads frequently. Most of the time, the injury is minor, usually involving only the scalp, and nothing needs to be done. Sometimes, the injury is more serious, involving the skull and/or brain inside, and medical attention is required.
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Injury to the head may damage the scalp, skull or brain. The most important consequence of head trauma is traumatic brain injury.
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Labyrinthitis is an ear disorder characterized by inflammation (irritation and swelling with presence of extra immune cells) of the canals of the inner ear (semicircular canals, labyrinth), which causes dizziness .
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Labyrinthitis is an inflammation of the inner ear that is often a complication of infection of the middle ear ( otitis media ). It is usually caused by the spread of bacterial or viral infections from the head or respiratory tract into the inner ear.
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Labyrinthitis is an inflammation of the inner ear that is often a complication of otitis media . It is caused by the spread of bacterial or viral infections from the head or respiratory tract into the inner ear.
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Meniere's disease is a disorder of the inner ear affecting balance and hearing, characterized by abnormal sensation of movement ( vertigo ), dizziness, loss of hearing in one or both ears, and noises or ringing in the ear ( tinnitus ).
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M e ni e re ' s disease is a disorder characterized by recurrent vertigo, sensory hearing loss, tinnitus, and a feeling of fullness in the ear. It is named for the French physician, Prosper M e ni e re, who first described the illness in 1861.
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What Is Meniere’s Disease?Meniere’s disease is a problem with the inner ear, the part of the ear responsible for balance as well as hearing.
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M e ni e re ' s disease is a condition characterized by recurrent vertigo ( dizziness ), hearing loss , and tinnitus (a roaring, buzzing, or ringing sound in the ears). M e ni e re ' s disease was named for the French physician Prosper M e ni e re, who first described the illness in 1861.
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Detailed information on M‚niŠre's disease, including causes, symptoms, diagnosis, and treatment
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Meniere ' s disease is a condition characterized by recurring vertigo ( dizziness ), hearing loss , and tinnitus (a roaring, buzzing or ringing sound in the ears). Meniere ' s disease was named for the French physician Prosper Meniere who first described the illness in 1861.
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Treating Meniere’s Disease: SurgeryFor severe Meniere’s that doesn’t respond to other types of treatment, draining or removing part or all of the ear’s balance canals may be recommended.Risks and ComplicationsDamage to hearingPossible worsening of...
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A migraine is a type of primary headache that some people get repeatedly over time. Migraines are different from other headaches because they occur with symptoms such as nausea, vomiting, or sensitivity to light. In most people, a throbbing pain is felt only on one side of the head. Migraines are classified as either "with aura" or "without aura." An aura is a group of neurological symptoms, usually vision disturbances that serve as warning sign. Patients who get auras typically see a flash of brightly colored or blinking lights shortly before the headache pain begins. However, most people with migraines do not have such warning signs. See also: Migraine without aura (no warning symptoms) Migraine with aura (visual disturbances before the headache starts) Mixed tension migraine (features of both migraines and tension headache)
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With a migraine, you may have nausea and vomiting and be sensitive to light and sound. You may also have warning signs, such as flashing lights or loss of vision, before the pain starts. Cluster headaches recur in groups for days, weeks, or months.
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The following Clinical Topic Tour provides an overview of migraine headache and has been adapted from materials published by the National Institute of Neurological Disorders and Stroke.
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What Are Migraine and Tension Headaches?Talk with your healthcare provider about a treatment plan that may help relieve pain and prevent future headaches.Although there are several types of headaches, migraine and tension headaches affect the most...
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Triptans, prescription medications used to treat migraine pain, and tricyclic antidepressants, used to prevent migraine, may interact with certain herbs.
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If your migraine pattern changes or your headaches suddenly feel different, it could be a sign of a more serious medical condition.
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This report helps you identify the cause of your headache and learn what to do about it. Includes the latest treatments, such as new medications and mind/body techniques.
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A headache signifies activation of the primary afferent fibers that innervate cephalic blood vessels, chiefly meningeal or cerebral blood vessels. Most nociceptive fibers innervating these structures arise from pseudounipolar neurons located within the trigeminal ganglia (first division), although some may be located within the upper cervical ganglia.
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Auras may include visual disturbances (jagged lines with bright spots or flashes); temporary, partial vision loss; numbness; and tingling sensations.
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Women who have endometriosis may also be more likely to have migraines, according to a recent Italian study.
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Sometimes, right in the middle of a match, she would develop a pounding, throbbing headache on the left side of her head. The pain was almost unbearable.
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Detailed information on migraines and how a migraine happens
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Women get more migraine headaches than men, possibly because migraines have been linked to the fluctuation of estrogen levels related to the menstrual cycle.
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Women who experience migraines around the start of their period may be able to prevent them.
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More than half of migraine sufferers are affected by weather.
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Work with your doctor to find a treatment plan that helps you. Several prescription drugs can prevent or relieve the pain of migraines.
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Detailed information on migraine headaches and pregnancy
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For some people, taking medication every day can help prevent migraines and make them less painful when they occur.
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About 90 percent of all headaches are harmless episodes that can be treated with over-the-counter painkillers, either alone or together with rest, ice packs or relaxation techniques.
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What is a "complex" migraine headache?
Robert Shmerling, M.D., is associate physician and clinical chief of rheumatology at Beth Israel Deaconess Medical Center and an associate professor in medicine at Harvard Medical School. He is an active teacher in the Internal Medicine Residency Program, serving as the Robinson Firm Chief. He is also a teacher in the Rheumatology Fellowship Program and has been a practicing rheumatologist for over 25 years.
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I have the symptoms of an optical migraine, but they only last for five to 10 seconds, instead of minutes. Is that still an optical migraine?
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Is there a link between depression and migraines?
Michael Craig Miller, M.D., is editor-in-chief of the Harvard Mental Health Letter and an assistant professor of psychiatry at Harvard Medical School. Dr. Miller has an active clinical practice and has been on staff at Beth Israel Deaconess Medical Center for more than 25 years.
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You and your loved ones will benefit if they understand your condition and how best to help.
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A study found that men who suffered migraines were more likely to have heart disease, but there is no evidence that migraines cause heart trouble, and no evidence as to what the connection, if any, may be.
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Migraine is a type of headache marked by severe head pain lasting several hours or more. A migraine is an intense, often debilitating type of headache.
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Migraine is a type of headache marked by severe head pain lasting several hours or more. Migraine is an intense, often debilitating type of headache.
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Migraine is a type of headache marked by severe head pain lasting several hours or more. Migraine is an intense and often debilitating type of headache.
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Research suggests there may be a link between migraine sufferers who experience aura with their headaches and increased risk of cardiovascular disease.
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Are migraine headaches common during pregnancy? What is safe to take for them?
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Detailed information on the most common types of vascular headaches and migraines
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What are the signs and symptoms of a basilar or hemiplegic headache?
Diana Post, M.D., is an assistant professor of medicine at Harvard Medical School and a member of the Department of Medicine at Brigham and Women's Hospital.
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With a complex migraine, is it normal to experience muscle contraction in the upper and lower extremities?
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Could TMJ cause migraines?
James S. Winshall, M.D., is an associate physician at Brigham and Women's Hospital. In addition to his role as senior editor at Harvard Health Publications, Dr. Winshall practices general internal medicine and is an assistant professor at Harvard Medical School.
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When I get migraines, my blood pressure is very low (93/64). Is this normal?
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An analysis was conducted on research that suggests a link between migraine headaches and ischemic strokes. Migraine sufferers are more likely to have a stroke than nonsufferers.
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Motion sickness is a condition characterized by uncomfortable sensations of dizziness, nausea , and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat, or riding on a swing all cause stimulation of the vestibular system and visual stimulation that often lead to discomfort.
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Motion sickness occurs when your senses offer your brain conflicting reports about what you're doing.
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Motion sickness is uncomfortable dizziness , nausea , and vomiting that people experience when their sense of balance and equilibrium is disturbed because their brain cannot make sense of conflicting information about their body ' s location in space and motion in their environment. Motion sickness is connected to the role of the sensory organs.
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Carsickness isn't really about the car. It's about the brain's ability to interpret a message based on what it senses.
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Motion sickness is the uncomfortable dizziness , nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat, or riding on a swing all cause stimulation of the vestibular system and visual stimulation that often leads to discomfort.
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This summer, whether traveling across country or around the world, you'll have a more enjoyable vacation if you plan ahead to stay healthy.
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What risks are associated with flying if you have vertigo?
David Vernick, M.D. is assistant clinical professor of otology and laryngology at Harvard Medical School and interim chief of the Division of Otology and Laryngology at Beth Israel Deaconess Medical Center.
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Multiple sclerosis is an autoimmune disease that affects the central nervous system (the brain and spinal cord).
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Detailed information on multiple sclerosis, including causes, symptoms, evaluation procedures, treatment, and rehabilitation
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Detailed information on multiple sclerosis, including causes, symptoms, evaluation procedures, treatment, and rehabilitation
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A description of multiple sclerosis, its causes, symptoms, and treatment. Includes information about treatments on the horizon.
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Detailed information on multiple sclerosis in pregnancy
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Multiple sclerosis (MS) is a disorder that affects primarily the myelinated white matter of the central nervous system (CNS), the brain, optic nerves, and spinal cord. There is no known cause.
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Multiple sclerosis is a chronic, degenerative disease of the central nervous system (CNS). The CNS is comprised of the brain and the spinal cord.
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Multiple sclerosis (MS) is a chronic, degenerative disorder affecting the central nervous system (CNS), which is made up of the brain, spinal cord, and optic nerves. A fatty tissue called myelin coats and protects the nerve fibers in the CNS.
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Multiple sclerosis (MS) is a chronic autoimmune disorder affecting movement, sensation, and bodily functions. It is caused by destruction of the myelin insulation covering nerve fibers (neurons) in the central nervous system (brain and spinal cord).
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Multiple sclerosis is an inflammatory demyelinating disease of the central nervous system . The disease results in injury to the myelin sheath (the fatty matter that covers the axons of the nerve cells), the oligodendrocytes (the cells that produce myelin) and, to a lesser extent, the axons and nerve cells themselves.
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Multiple sclerosis (MS) is a chronic autoimmune disorder affecting movement, sensation, and bodily functions. It is caused by destruction of the myelin sheath (insulation) covering nerve fibers ( neurons ) in the central nervous system ( brain and spinal cord ).
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The effects of multiple sclerosis (MS) can be unpredictable. MS can cause symptoms that range from minor problems in mild cases to paralysis in the most severe cases.
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I have MS and recently was diagnosed with breast cancer. Are there any concerns about breast reconstruction in people with autoimmune diseases?
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Vertebrobasilar circulatory disorders is a group of disorders in which blood supply to the back of the brain is disrupted.
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A virus is an infectious agent, often highly host-specific, consisting of genetic material surrounded by a protein coat. Viruses infect virtually every life form, including humans, animals, plants, fungi , and bacteria .
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Viruses are familiar from the common diseases they cause: colds and flu, for instance. But what are they, and how do they cause sickness?
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