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The first, and perhaps most perplexing, cause of dehydration in older adults is a lack of thirst. During the aging process, thirst sensation naturally decreases, says Dr. Audrey Chun, vice chair ...
Apart from treating underlying reversible causes (e.g., stopping or reducing certain medications, treating autoimmune causes), several measures can improve the symptoms of orthostatic hypotension and prevent episodes of syncope (fainting). Even small increases in the blood pressure may be sufficient to maintain blood flow to the brain on standing.
Differential diagnosis. Dehydration. Hypovolemia, also known as volume depletion or volume contraction, is a state of abnormally low extracellular fluid in the body. [1] This may be due to either a loss of both salt and water or a decrease in blood volume. [2][3] Hypovolemia refers to the loss of extracellular fluid and should not be confused ...
Delirium. Delirium (formerly acute confusional state, an ambiguous term which is now discouraged) [1] is a specific state of acute confusion attributable to the direct physiological consequence of a medical condition, effects of a psychoactive substance, or multiple causes, which usually develops over the course of hours to days. [2][3] As a ...
Luckily, dehydration is easily treatable by getting in more fluids. It can be a little tricky to figure out your exact hydration needs, but the U.S. National Academies of Sciences, Engineering ...
hypocalcemia. Electrolyte imbalance, or water-electrolyte imbalance, is an abnormality in the concentration of electrolytes in the body. Electrolytes play a vital role in maintaining homeostasis in the body. They help to regulate heart and neurological function, fluid balance, oxygen delivery, acid–base balance and much more.
Learn the physical signs of dehydration in kids to watch for. If a child has a stomach virus or diarrhea, adults should monitor them for dehydration. Learn the physical signs of dehydration in ...
Sundowning. Sundowning, or sundown syndrome, [1] is a neurological phenomenon associated with increased confusion and restlessness in people with delirium or some form of dementia. It is most commonly associated with Alzheimer's disease but is also found in those with other forms of dementia.