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Causes: Hypotension, hypoglycaemia, arrhythmia, anaemia, hypokalaemia, thrombosis, water intoxication, dehydration: Risk factors: Poor dietary or diabetic management, genetic predisposition to cardiac arrhythmia: Diagnostic method: Based on symptoms. Some thrombotic pre-syncope may be indicated by a troponin serum level. Treatment: Dependent on ...
Benign paroxysmal positional vertigo (BPPV) is a disorder arising from a problem in the inner ear. [3] Symptoms are repeated, brief periods of vertigo with movement, characterized by a spinning sensation upon changes in the position of the head. [1]
More severe causes should also be considered, [9] especially if other problems such as weakness, headache, double vision, or numbness occur. [2] Dizziness affects approximately 20–40% of people at some point in time, while about 7.5–10% have vertigo. [3] About 5% have vertigo in a given year. [10]
A failure of inhibitory action from the TRN to the thalamus may be the underlying cause for the inability to suppress excitatory sensory information. [ 4 ] [ 6 ] Research has been limited due to issues of case identification, diagnosis, and the limited size of any studied cohort, though the issue of diagnosis is now largely addressed.
Many conditions cause dizziness because multiple parts of the body are required for maintaining balance including the inner ear, eyes, muscles, skeleton, and the nervous system. [7] Thus dizziness can be caused by a variety of problems and may reflect a focal process (such as one affecting balance or coordination ) or a diffuse one (such as a ...
One patient said, "I thought it became like misty, in some way... the outlines were sort of fuzzy". [18] Others may describe a "spaced-out" feeling. [ 21 ] Affected people compare their overall experience to that of a dream, because, as in a dream, consciousness, attention, orientation to time and place, perceptions, and awareness are disturbed ...
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. Nausea and vomiting can cause
There are many different causes of frontal lobe epilepsy ranging from genetics to head trauma that result in lesions in the frontal lobes. [4] Although frontal lobe epilepsy is often misdiagnosed, tests such as prolonged EEG monitoring, video EEG and/or an MRI scan of the frontal lobes can be administered in order to reveal the presence of a ...