According to the Epidemiologic Catchment Area Study carried out in the US, 30 % of the population have experienced dysautonomia symptoms such as mild depression.
自律神經失調導致的心悸、胸悶、心跳加速等症狀，是最容易引發患者恐慌的，特別是有心肌梗塞或猝死案例的新聞發生時，心臟科總是人滿為患。