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Urine outputs consider as a vital sign in critical care unit, explain the important of measuring...

Urine outputs consider as a vital sign in critical care unit, explain the important of measuring urine output in critical ill patients?

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Expert Solution

Urine output is the amount of urine excreted through the body in a day.
Kidneys play an important role in formation of urine. The nephron reabsorbs important substances, ions and water from the glomerular filtrate and excretes waste products and harmful metabolites into the urine.
Thus urine output can act as an important marker for health of kidneys and acute kidney diseases in critically ill patients.
Decrease in urine output can be caused due to decreased blood flow and renal hypotension resulting in decreased glomerular filteration rate. Imbalance of neuro hormonal control in body can also cause reduced urine output.
Structural and anatomical changes within the kidney can also cause decreased urine output.
All these factors can contribute to acute kidney disease.
Thus urine output should be regularly monitored in critically ill patients. It acts as an important marker of kidney failure. Decreased urine output is the primary sign of underlying renal pathology which may lead to renal failure. Early diagnosis and interventions can help prevent development of acute kidney disease and permanent kidney damage.
Also the composition of urine helps to detect the renal pathology. Increased sodium or other ions in urine, appearance of RBC, WBC, glucose acts as a marker for impaired kidney function and kidney damage.

Nightingale answered 2 years ago
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