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Keeping a sense of balance requires the brain to process a variety of information received from the eyes, the nervous system, and the inner ears. If the brain is unable to process these signals, such as when the messages are contradictory, or if the sensory systems are improperly functioning, an individual may experience lightheadedness or ...
What causes vertigo and dizziness? “Dizziness is generally a more neurological cause or a potential cardiac cause. For example, it could be a blood flow issue or stenosis of a carotid artery ...
Dizziness is a common medical complaint, affecting 20–30% of persons. [4] Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%). [5] Vertigo is the sensation of spinning or having one's surroundings spin about them. Many people find ...
Vestibular migraine is the association of vertigo and migraines and is one of the most common causes of recurrent, spontaneous episodes of vertigo. [3] [10] The cause of vestibular migraines is currently unclear; [3] [40] however, one hypothesized cause is that the stimulation of the trigeminal nerve leads to nystagmus in individuals with ...
Muscle cramps, dizziness, fatigue, nausea, and vomiting might happen, as well. When the weather is warm, you might get dehydrated or end up with heat exhaustion, which triggers chills.
Other causes include tumor or cancers in the brain, stroke with loss of blood flow to the brain, and infection. A less tested hypothesis that some believe may play a larger role in determining who is affected by this disease is a genetic mutation that predisposes the subject for vertiginous epilepsy. [ 4 ]
Medical conditions like anxiety causes heavy-headedness too. [5] A sinus infection can cause facial pressure and pain, as well as nasal congestion and headaches, which are also known as heavy-headedness. [citation needed] New users to specific drugs can cause heavy-headedness. Chronic subjective dizziness (CSD) can be related to heavy-headedness.
A brainstem stroke syndrome falls under the broader category of stroke syndromes, or specific symptoms caused by vascular injury to an area of brain (for example, the lacunar syndromes).