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也许有20%最初被疑诊为心绞痛患者最终被认为有不明原因胸痛,食管炎、胆囊痛或肌肉骨骼痛占此类病例的一部分,少数患者也许有微小血管性绞痛,但不易证实。更常见的原因
Perhaps 20% of patients initially diagnosed with angina are eventually considered to have unexplained chest pain, esophagitis, gallbladder pain or musculoskeletal pain as part of such cases. A minority of patients may have microvascular angina but are not readily confirmed. More common cause