For a patient suffering from severe hyperkalemia due to crush injuries, which emergency treatment is NOT recommended?

In the context of treating severe hyperkalemia, especially in patients who have experienced crush injuries, the recommended emergency treatments focus on reducing high potassium levels in the blood. One key strategy is to use treatments that stabilize the cardiac membrane and facilitate the shift of potassium back into the cells, thereby lowering its concentration in the serum.

Administering calcium gluconate is standard practice as it helps to protect the heart from the effects of high potassium levels and decreases the risk of arrhythmias. Additionally, using diuretics can help eliminate excess potassium from the body and is often employed in clinical settings.

On the other hand, limiting fluids is not a recommended approach for managing severe hyperkalemia. In fact, hydration can be beneficial because it can help with renal function and promote the excretion of potassium. Limiting fluid intake could lead to further complications, such as dehydration and reduced kidney perfusion, which are counterproductive in managing hyperkalemia. Therefore, increasing potassium levels is contrary to the treatment goal, making it clear that limiting fluids is not an effective or recommended treatment for this emergency situation.