Heart failure with false negative BNP – Cardiology MCQ – Answer
In which of the following conditions with heart failure can false negative BNP (B-type natriuretic peptide) values occur?
3. Mitral stenosis
False negative BNP can occur in obesity, flash pulmonary edema (BNP elevation may be delayed) and mitral stenosis (heart failure without dilatation of left ventricle).
False positive BNP can occur in old age, renal failure, myocardial infarction and cor pulmonale.
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