A patient with renal failure has a serum potassium level of 6.9 mmol/L and tall peaked T waves on the ECG. Which action should the nurse take first?
Correct answer: A. Place the patient on continuous cardiac monitoring
- A. Place the patient on continuous cardiac monitoring
- B. Encourage potassium-rich fruit and fruit juice
- C. Administer a prescribed potassium supplement
- D. Remove the cardiac monitor to reduce anxiety
Explanation
Severe hyperkalaemia with ECG changes can rapidly cause fatal dysrhythmias, so continuous cardiac monitoring and urgent medical escalation are essential. Potassium intake and supplements are unsafe, and removing monitoring increases the risk of missing deterioration.
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About Critical Care and Emergency Nursing
Covers rapid assessment and stabilisation of patients with airway obstruction, respiratory failure, shock, cardiac arrest, sepsis, poisoning and major electrolyte disturbances. It includes triage, the ABCDE approach, cardiopulmonary resuscitation, ventilator and monitor care, emergency medicines and distinguishing life-threatening deterioration from stable illness.
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