Scallion-stalk pulse

A large floating pulse that when pressure is applied is empty in the middle, like a scallion or green onion stalk. Lǐ Zhong-Zi states that It is as when the finger touches a scallion. At the superficial level, the skin of the scallion is felt. At the mid-level, the empty middle of the scallion is felt. At the deep level, the finger touches the under side of the scallion. This is why this pulse is likened to a scallion stalk. The scallion-stalk pulse is a sign of heavy blood loss, and usually occurs in major bleeding.