Figures from US research indicate that 15-20 % of family practice patients are actually psychiatric patients. As for medical and emergency patients in Taiwan, dysautonomia (neurosis) sufferers are a frequent sight among them. Dysautonomia shows both psychological and physiological symptoms: mental anxiety and irritability, and possible physical discomfort anywhere from head to toe.
輕微的二尖瓣脫垂根本不會危及生命，而心臟科開給病人的乙型交感神經藥物和舒緩焦慮、鬆弛肌肉藥物，其實都是精神科用藥，藉著壓抑過度亢奮的交感神經，以舒緩症狀。