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Micturition syncope or post-micturition syncope is the name given to the human phenomenon of fainting shortly after or during urination.The underlying cause is not fully understood, but it may be a result of vasovagal response, postural hypotension, or a combination thereof.
Symptoms of postperfusion syndrome are subtle and include defects associated with attention, concentration, short-term memory, fine motor function, and speed of mental and motor responses. [1] Studies have shown a high incidence of neurocognitive deficit soon after surgery, but the deficits are often transient with no permanent neurological ...
Signs and symptoms of psychogenic polydipsia include: [3] Excessive thirst and xerostomia , leading to overconsumption of water Hyponatraemia , causing headache , muscular weakness, twitching , confusion , vomiting , irritability etc., although this is only seen in 20–30% of cases.
Hypotension, also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. [1] Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood [2] and is indicated by two numbers, the systolic blood pressure (the top number) and the diastolic blood pressure (the bottom number), which are the ...
Hypovolemia can be recognized by a fast heart rate, low blood pressure, [12] and the absence of perfusion as assessed by skin signs (skin turning pale) and/or capillary refill on forehead, lips and nail beds. The patient may feel dizzy, faint, nauseated, or very thirsty. These signs are also characteristic of most types of shock. [13]
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The kidneys usually excrete sodium and water in a manner that matches sodium intake and water intake. [4] Diuretic therapy and osmotic diuresis from hyperglycemia can lead to excessive renal sodium and volume loss. In addition, there are several tubular and interstitial diseases beyond the scope of this article that cause severe salt-wasting ...
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