In the etiology of arrest, these two medications should be considered for administration only if hyperkalemia is suspected.

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Multiple Choice

In the etiology of arrest, these two medications should be considered for administration only if hyperkalemia is suspected.

When hyperkalemia is suspected in arrest, you want to both stabilize the heart and lower the potassium level. Calcium chloride quickly stabilizes the myocardial membranes, reducing the risk of dangerous arrhythmias caused by high potassium. Sodium bicarbonate helps correct acidosis and drives potassium back into cells, helping to lower serum potassium levels. Using both addresses the immediate electrical protection and the underlying potassium excess, which is why the combination of sodium bicarbonate and calcium chloride is the best choice. Calcium gluconate can also stabilize the heart, but calcium chloride is chosen here for its faster onset; the key point is pairing membrane stabilization with a shift of potassium into cells.

In the etiology of arrest, these two medications should be considered for administration only if hyperkalemia is suspected.

Prepare for the QIC Acadian Ambulance Test with our comprehensive quiz. Explore study tools like flashcards and multiple choice questions, featuring each question’s hints and explanations, to ace your exam!

In the etiology of arrest, these two medications should be considered for administration only if hyperkalemia is suspected.

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