脈象之一。脈來遲慢,一息不足四至?!?a target="_blank" href="/zhongyi/zy73435pj/">脈經(jīng)》:“呼吸三至,去來極遲?!倍嘁娪?a target="_blank" href="/zhongyi/zy82872tc/">寒證?!?a target="_blank" href="/zhongyi/zy73473kd/">脈訣匯辨》:“其所主病,與沉脈大約相同,但沉脈之病為陰逆而陽郁,遲脈之病為陰盛而陽虧?!?/p>