Essay on Acute Renal Failure

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1. Explain the pathoplysiology of acute renal failure. Including perenal,intraernal and posternal causes. Acute renal failure is when the kidneys have suddenly stopped working this disease disables the body’s mechanism of excreting waste products and maintaining fluid electrolyte balance. According to WebMD, the causes are characterized as a sudden decrease of blood flow to the kidneys, damage from some medications, poisons, or infections, a sudden blockage that stops urine from flowing out of the kidney.
Prerenal failure is caused by the perfusion of the kidney which then results to reduced cardiac output and constriction of the afferent arteriole. If there is lengethened hypoperfusion which is characterized as the decrease in the
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Lastly, for postrenal results from bilateral obstruction, accidental liagtion of ureters, bladder obstruction, or urethral obstruction.

3. What are the subjective and objective signs and symptoms of acute renal failure. In this answer, discuss the following terms: asthenia, azotemia, uremia, oliguria, anuria. Acute renal failure is the sudden loss of the ability of kidneys to remove waste and concentrate urine without losing electrolytes. It is classified into three categories prerenal, intrarenal and postrenal. According to Health Communities.com, the signs and symptoms of acute renal failure are: dizziness, dry mouth, low blood pressure, rapid heart rate, slack skin, thirst, weight loss, and a decrease in urine output.
Asthenia, azotemia, uremia, oliguria, anuria are all symptoms of acute renal failure. According to medicine.net, asthenia is defined as weakness or lack of energy, strength. Azotemia is a medical condition characterized by having abnormal high levels of nitrogen containing compounds. Oliguria is characterized as a decreased production of urine. While uremia also called as prerenal azotemia is described as the illness accompanying kidney failure. Lastly, anuria is defined as inability to produce urine.

4. What dietary modification should the nurse teach the client who has renal insufficiency, chronic renal failure or acute renal failure. Patient with kidney disease, also called renal failure, can use

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