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Severe drops in blood pressure can lead to fainting, with a possibility of injury. Moderate drops in blood pressure can cause confusion/inattention, delirium, and episodes of ataxia. Chronic orthostatic hypotension is associated with cerebral hypoperfusion that may accelerate the pathophysiology of dementia. [5]
Orthostatic (postural) hypotensive syncope is caused primarily by an excessive drop in blood pressure when standing up from a previous position of lying or sitting down. [ 9 ] [ 1 ] When the head is elevated above the feet the pull of gravity causes blood pressure in the head to drop.
Down syndrome is one such syndrome. In this chromosomal abnormality, several features combine to make the presence of obstructive sleep apnea more likely. The specific features of Down syndrome that predispose to obstructive sleep apnea include relatively low muscle tone, narrow nasopharynx, and large tongue. Obesity and enlarged tonsils and ...
Heart failure can be a complication of any condition that causes damage to your heart tissues, such as an infection, heart attack, or valve disorder. Heart failure is categorized by a measurement ...
A related condition, orthodeoxia, describes the clinical finding of low oxygen saturation in the upright position, which improves when lying down. [3] Platypnea and orthodeoxia (low oxygen levels when in upright posture) can co-exist, and this combination is named platypnea-orthodeoxia syndrome. [4] [5] The syndrome is considered extremely rare ...
With paroxysmal nocturnal dyspnea specifically, it is felt while sleeping and causes a person to wake up after about 1 to 2 hours of sleep. [ 3 ] More serious forms of dyspnea can be identified through accompanying findings, such as low blood pressure, decreased respiratory rate, altered mental status, hypoxia, cyanosis, stridor, or unstable ...
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They should try eating something sugary and lying down or sitting and reducing the elevation of the head relative to the body (for example, by positioning the head between the knees). Other simple remedies include avoiding sudden changes in posture when sitting or lying and avoiding bright lights.