1 MCQs in Physiology for NEET PG
A 68-year-old man from rural Maharashtra presents to the outpatient clinic with progressive dyspnea on exertion for 3 weeks. He has no prior cardiac history. His blood pressure is 145/92 mmHg, heart rate 92/min, and JVP is elevated. Chest X-ray shows bilateral interstitial opacities. A serum natriuretic peptide is measured to rule out heart failure. The marker marked **D** in the diagram is sent to the laboratory. Which of the following best explains why this specific marker is preferred over BNP for diagnostic confirmation of heart failure in this patient?
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