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149.

The laboratory tests ordered at the ER show a high NT-proBNP concentration in a patient with dyspnea. Which of the following is the least probable cause of dyspnea, in light of the obtained result?

A. left ventricular heart failure.
B. pulmonary embolism with a moderate risk of death.
C. high arterial blood pressure.
D. asthma.
E. atrial fibrillation.

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