A patient presented with muscle cramps. ECG showed ST depression and QT prolongation. Serum Potassium 2.8 meq/L. IV Potassium chloride was given. But there was no improvement in serum potassium over time. What can explain this?

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NBE does not officially release NEET PG papers per the 2025 Supreme Court directive. This question was reconstructed from 1 community source: Collegedunia NEET PG 2026 Memory-Based Paper. Cross-verified by Claude Haiku 4.5 + Gemini 2.5 Flash + community-aggregate vote, then reviewed by a practising medical SME.

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