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[2] [17] In over half these women, their headaches are strictly related to their menstrual cycle. [7] A clinical epidemiological study suggests that 60% of women with migraine without aura have attacks almost only while menstruating. One in ten had their migraines begin with their first period. Two-thirds do not get migraines while pregnant. [18]
Percent of women and men who have experienced migraine with or without aura within the last 3 months. Migraine is common, with around 33% of women and 18% of men affected at some point in their lifetime. [146] Onset can be at any age, but prevalence rises sharply around puberty, and remains high until declining after age 50. [146]
Acephalgic migraine (also called migraine aura without headache, amigrainous migraine, isolated visual migraine, and optical migraine) is a neurological syndrome.It is a relatively uncommon variant of migraine in which the patient may experience some migraine symptoms such as aura, nausea, photophobia, and hemiparesis, but does not experience headache. [1]
Myotonia congenita is a congenital neuromuscular channelopathy that affects skeletal muscles (muscles used for movement). It is a genetic disorder.The hallmark of the disease is the failure of initiated contraction to terminate, often referred to as delayed relaxation of the muscles and rigidity. [1]
Retinal migraine is a retinal disease often accompanied by migraine headache and typically affects only one eye. It is caused by ischaemia or vascular spasm in or behind the affected eye. The terms "retinal migraine" and "ocular migraine" are often confused with " visual migraine ", which is a far-more-common symptom of vision loss, resulting ...
Among the patients with unclassified or idiopathic vertigo, the prevalence of migraine was shown to be elevated. In another study, migraine patients reported 2.5 times more vertigo and also 2.5 more dizzy spells during headache-free periods than the controls. [5] MAV may occur at any age with a female:male ratio of between 1.5 and 5:1.
Studies of twins indicate a 34% to 51% genetic influence on the likelihood to develop migraine. [4] This genetic relationship is stronger for migraines with aura than for migraines without aura. [medical citation needed] [5] A number of specific variants of genes increase the risk by a small to moderate amount. [6]
1.2.2 ICHD 6, ICD10 G44.81: Headache attributed to cranial or cervical vascular disorder 1.2.3 ICHD 7, ICD10 G44.82: Headache attributed to non-vascular intracranial disorder 1.2.4 ICHD 8, ICD10 G44.4 or G44.83: Headache attributed to a substance or its withdrawal