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The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1] It is considered the official classification of headaches by the World Health Organization , and, in 1992, was incorporated into the 10th edition of their ...
One fully reversible symptom indicating brain dysfunction (e.g., visual disturbances, sensory changes, speech disturbances) Timing Aura precedes headache, occurring within 60 minutes Headache phase Must include at least three of the following: Unilateral location, Pulsating quality, Moderate to severe pain, Aggravation by routine physical activity.
An aura is a perceptual disturbance experienced by some with epilepsy or migraine.An epileptic aura is actually a minor seizure. [1]Epileptic and migraine auras are due to the involvement of specific areas of the brain, which are those that determine the symptoms of the aura.
Exacerbation or worsening of headache symptoms during physical activity is another distinguishing feature. [5] Up to one-third of people with migraine experience aura, a premonitory period of sensory disturbance widely accepted to be caused by cortical spreading depression at the onset of a migraine attack. [4]
In the ICD-9 system, a disease may have a cause listed in one chapter, and its manifestations listed in another. For example, Tuberculous meningitis is caused by a bacterial infection, and is therefore listed in Chapter 1, Infectious and parasitic diseases. However, as it results in a disorder of the nervous system, it is also listed in this ...
Sensory and movement disturbances have also been reported, including imbalance, tremors, vertigo, dizziness, and electric-shock-like experiences in the brain, often described by people who have them as brain zaps. These "brain zaps" have been described as an electric shock felt in the skull, potentially triggered by lateral eye movement, and at ...
Headache, back pain, or stomach pain are some of the most common types of psychogenic pain. [5] It is commonly accompanied by social rejection, broken heart, grief, lovesickness, regret, or other such emotional events. This pain can also be caused by psychological disorders such as anxiety and depression, which can affect the onset and severity ...
Individuals with exploding head syndrome hear or experience loud imagined noises as they are falling asleep or are waking up, have a strong, often frightened emotional reaction to the sound, and do not report significant pain; around 10% of people also experience visual disturbances like perceiving visual static, lightning, or flashes of light.