True visceral pulse

A pulse indicating that the true qì of one or more of five viscera is bad and exposed; observed in critical stages of disease when the pulse is bereft of stomach, spirit, and root. Plain Questions (素问 sù wèn, yù jī zhēn zàng lùn) states, When the true pulse of the liver appears... it feels awesome like a knife blade, like the string of a lute... When the true pulse of the heart appears, it is hard and contending, and feels like coix seeds coming one after the other... When the true pulse of the lung appears, it is large and vacuous, like feathers in the flesh... When the true pulse of the kidney appears, it is contending and expiring, flicking against the fingers.... When the true pulse of the spleen appears, it is weak, sometimes frequent, sometimes sparse.... The appearance of any visceral pulse means death and is beyond cure.