What is the first drug used to protect the myocardium in severe hyperkalemia with ECG changes?
Answer and explanation
Correct answer: C. Calcium gluconate
- Step 1: Calcium stabilizes the cardiac membrane within minutes.
- Step 2: Other measures shift or remove potassium afterwards.
Answer
Calcium gluconate.
Why not the others: Furosemide and insulin lower the level but do not protect the membrane immediately.
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