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, What is the best indicator of kidney function? Glomerular Filtration Rate (GFR).
What is the best serum indicator of Acute Kidney Injury Serum creatinine, as it is not affected by other factors like BUN is.
(AKI)?
Define Azotemia. The accumulation of nitrogenous waste products (urea nitrogen, creatinine) in the
blood.
What is the most common intrarenal cause of AKI? Acute tubular necrosis (ATN), often resulting from ischemia, nephrotoxins, or
sepsis.
What are the most common causes of postrenal AKI? Mechanical obstructions such as BPH, prostate cancer, stones, trauma, and
extrarenal tumors.
Why is MRI not advised for diagnosing AKI? Because of the use of contrast media, which can be nephrotoxic.
What is the gold standard for confirming intrarenal causes Renal biopsy.
of AKI?
What is the most common clinical manifestation of the Oliguria, defined as urine output less than 400 mL/day.
oliguric phase of AKI?
What are the primary nursing concerns during the diuretic Monitoring for hypovolemia, hypotension, hyponatremia, and hypokalemia due to
phase of AKI? increased urine output.
What are the indications for beginning Renal Replacement Volume overload, severe hyperkalemia, metabolic acidosis (HCO3 < 15 mEq/L),
Therapy (RRT)? BUN > 120 mg/dL, and significant changes in mental status.
How is fluid restriction calculated for an AKI patient? Total urine output from the previous 24 hours plus 600 mL.
What is the immediate nursing action for a patient with Place the patient on a cardiac monitor and notify the provider; expect orders for
severe hyperkalemia in AKI? insulin, bicarbonate, or calcium gluconate.
What is the leading cause of death in patients with AKI? Infection.
What respiratory pattern is expected in a patient with Kussmaul respirations (rapid, deep breathing).
metabolic acidosis (pH 7.30)?
What is the leading cause of Chronic Kidney Disease Diabetes.
(CKD)?