B-type natriuretic precursor 217 pg/ml usually indicates that the patient may be experiencing cardiac insufficiency such as heart failure or other diseases such as pulmonary embolism. B-type natriuretic precursor is a peptide produced by the ventricular muscle and is normally secreted in small amounts, but usually not more than 100 pg/ml. When cardiac insufficiency occurs, the pumping function of the heart is weakened, the blood accumulated in the heart increases, and the pull on the ventricular muscle increases, causing an increase in the secretion of B-type natriuretic precursors; the worse the cardiac function, the more B-type natriuretic precursors may be secreted. Clinically, B-type natriuretic precursors are often used to diagnose whether a patient has heart failure and the severity of that failure. Therefore, a B-type sodium urinary precursor result of 217 pg/ml is likely to indicate that the patient is suffering from cardiac insufficiency such as heart failure, or that other diseases may be causing the elevated B-type sodium urinary precursor, such as infections, pulmonary embolisms, and aortic coarctation. B type sodium urine precursor high may also have other reasons, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.