呼吸困难是临床工作中常见的症状,对于它的辅助诊断,心脏标志物的应用价值尚在探讨之中,文献报道亦不多。临床应用的心脏标志物大致可分为3类:第1类是主要反映心脏组织损伤的标志物;第2类是了解心脏功能的标志物;第3类是作为心血管炎症疾病的标志物。脑钠尿肽(BNP)是反映心脏功 Dyspnea is a common symptom in clinical work. For its auxiliary diagnosis, the application value of cardiac markers is still being explored, and there are not many reports in the literature. Cardiac markers for clinical use can be broadly categorized into three categories: Type 1 is a marker that primarily reflects cardiac tissue injury; Type 2 is a marker of cardiac function; and Type 3 is a marker of cardiovascular inflammation. Brain natriuretic peptide (BNP) is a reflection of cardiac work