Despite extensive evaluation and testing, the diagnosis may still be elusive in approximately40% of patients with recurrent syncope, but fortunately these patients have a low incidence of morbidity and mortality.

• 尽管有广泛的评估检查，但仍有40%25复发性晕厥患者会漏诊，幸运的是，这些病人的死亡率和发病率都很低。