问冲阳太溪.皆足之动脉.每见时师求之于垂毙之时.验乎不验乎.
答曰.是即仲景趺阳少阴也.尝闻气口成寸.以决死生.未尝决之于二处也.或谓以此本属胃与肾脉.虽变其名.仍当气口尺中诊之.脉法以寸口趺阳少阴三者并列而论.是即寸关尺三部之别号.但未明言其故耳.喻嘉言释仲景平脉首条云.条中明说三部.即后面趺阳少阴.俱指关尺而言.然何以止言趺阳少阴.盖两寸主乎上焦.营卫之所司.不能偏于轻重.故言寸口.两关主乎中焦.脾胃之所司.宜重在右.故言趺阳.两尺主乎下焦.宜重在www.med126.com/shouyi/左.故言少阴.此先得我心www.med126.com/sanji/之所同然.但二处动脉.犹可求其绝与不绝.非推原某脉主某病也.设闺中处子.而欲按其足上之脉.殊为未便.