《伤寒论·辨可下病脉证并治》
脉象左右都弦而迟的，是寒饮内停之象，病人多有心下痞胀硬结。
脉双弦而迟者，必心下硬。
A left and right corded and slow pulse suggests a sign of internal stagnation of cold and dampness, and patients often have abdominal distension and hardness.