The price of this test is around 240 yuan, and may vary from hospital to hospital. This test is mainly for heart failure patients, especially for those with preserved ejection fraction heart failure, if you want to further clarify whether the patient’s current breathing difficulties, wheezing situation is due to heart failure, you can perform this test, but if the patient itself exists more serious inflammatory infections, or the presence of renal insufficiency, the impact on the indicators is relatively large. There are also some tumor patients who may have higher indexes. This test should be combined with the actual clinical symptoms of the patient and the results of the cardiac ultrasound to make a comprehensive assessment.