Critical Care Nursing Questions Related

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The patient undergoes a cardiac catheterization that requires the use of contrast dyes during the procedure. To detect signs of contrast-induced kidney injury, the nurse should

  • A. not be concerned unless urine output decreases.
  • B. evaluate the patient’s serum creatinine for up to 72 hours after the procedure.
  • C. obtain an order for a renal ultrasound.
  • D. evaluate the patient’s postvoid residual volume to detect intrarenal injury.
Correct Answer: B

Rationale: The correct answer is B because evaluating the patient's serum creatinine for up to 72 hours after the procedure is crucial in detecting contrast-induced kidney injury. An increase in serum creatinine levels indicates impaired kidney function due to the contrast dye. This monitoring allows for early detection and intervention to prevent further kidney damage.

Choice A is incorrect because a decrease in urine output is a late sign of kidney injury and may not be present in the early stages. Choice C is incorrect as a renal ultrasound is not typically used to detect contrast-induced kidney injury. Choice D is incorrect as postvoid residual volume assessment is not specific to detecting intrarenal injury related to contrast dye use.