A client presents with severe hyperkalemia and cardiac arrhythmias.
Which interventions are urgent to prevent life-threatening complications? Select all that apply.

Administer potassium supplements.

Initiate continuous cardiac monitoring.

Administer calcium gluconate.

Prepare for hemodialysis.

Administer diuretics.

Answer and Explanation

Correct Answer : B,C,D

Managing hyperkalemia and burn injuries necessitates rapid assessment and specialized intervention. Understanding the electrophysiology of the heart and the mechanical pressure exerted by burned skin allows nurses to intervene effectively to stabilize cardiac rhythms and maintain peripheral pulses and perfusion.

Choice A rationale

Potassium supplements would exacerbate hyperkalemia, further increasing the extracellular potassium concentration. This would worsen cardiac membrane depolarization, potentially leading to fatal ventricular arrhythmias or asystole. Normal serum potassium levels range from 3.5 to 5.0 mEq/L.

Choice B rationale

Continuous cardiac monitoring is vital because hyperkalemia alters the myocardial resting membrane potential. This can lead to peaked T waves, widened QRS complexes, and cardiac arrest. Constant surveillance allows for immediate detection of life-threatening electrical changes.

Choice C rationale

Calcium gluconate is administered to stabilize the cardiac cell membrane. It does not lower potassium levels but antagonizes the cardiotoxic effects of hyperkalemia by increasing the threshold potential, thereby reducing the risk of lethal arrhythmias.

Choice D rationale

Hemodialysis is the most definitive and rapid method to remove excess potassium from the blood. It is indicated in severe, symptomatic hyperkalemia when medical therapies are insufficient to stabilize the patient or clear the electrolyte.

Choice E rationale

While diuretics like furosemide can increase potassium excretion, they are often too slow for emergency stabilization in severe hyperkalemia with arrhythmias. They require adequate renal perfusion and function, making them a secondary rather than primary intervention.

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Correct Answer is D

Explanation

This case focuses on managing urolithiasis with signs of potential urinary obstruction. Knowledge of the nursing process, prioritization of physiological needs, and the distinction between pain management and critical organ perfusion/output is necessary to determine the first action.

Choice A rationale

Straining urine is important for stone analysis but is not the immediate priority for a client who hasn't voided in 6 hours. Assessment of the underlying cause of urinary retention must occur before focusing on stone recovery procedures.

Choice B rationale

Encouraging fluids helps flush stones but may exacerbate pain or vomiting if a total obstruction is present. The client's lack of output for 6 hours requires an assessment of bladder status before increasing fluid load significantly.

Choice C rationale

Pain management is essential for urolithiasis, but the lack of urinary output is a physiological priority. Assessing for bladder distention or obstruction ensures the kidneys are not sustaining damage from hydronephrosis before focusing solely on symptomatic relief.

Choice D rationale

Assessing for bladder distention is the priority to determine if the client is experiencing urinary retention due to obstruction. Identifying whether urine is being produced but trapped in the bladder is critical for preventing renal injury and hydronephrosis..

A. A client 1 day post-op with a temperature of 38.2°C (100.9°F). B. A client with pancreatitis reporting abdominal pain 8/10 and nausea. C. A client with cirrhosis who is increasingly confused and has asterixis. D. A client with a potassium level of 6.8 mEq/L who has peaked T waves on ECG.

Correct Answer is D

Explanation

Nursing prioritization relies on the ABC framework and identifying the most immediate threat to life. Knowledge of electrolyte imbalances and cardiac conduction must be applied here to recognize that severe hyperkalemia poses an imminent risk of lethal cardiac arrhythmias.

Choice A rationale

A low grade fever of 38.2 C on the first postoperative day is common due to the inflammatory response or atelectasis. While it requires monitoring and lung expansion exercises, it is not an immediate life threat.

Choice B rationale

Severe abdominal pain and nausea are classic symptoms of acute pancreatitis. While the patient is in significant distress and needs analgesia, this presentation is expected for the diagnosis and is second to cardiovascular instability.

Choice C rationale

Confusion and asterixis in cirrhosis indicate hepatic encephalopathy due to elevated ammonia. Normal ammonia is 15 to 45 mcg/dL. This requires treatment with lactulose but is less immediately fatal than a cardiac arrest.

Choice D rationale

A potassium level of 6.8 mEq/L is critically high, as the normal range is 3.5 to 5.0 mEq/L. Peaked T waves indicate myocardial irritability, which can progress rapidly to ventricular fibrillation or asystole, requiring emergent intervention..

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A client presents with severe hyperkalemia and cardiac arrhythmias. Which interventions are urgent to prevent life-threatening complications? Select all that apply.

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A client presents with severe hyperkalemia and cardiac arrhythmias.
Which interventions are urgent to prevent life-threatening complications? Select all that apply.