Qi asthenia and blood stasis syndrome refers to syndrome caused by blood stagnation resulting from qi asthenia to transport blood. This syndrome is usually caused by qi asthenia to propel blood in chronic disease and gradual formation of blood stasis due to inhibited flow of blood.

Clinical manifestations:
Dispiritedness, lack of qi, no desire to speak, or spontaneous sweating, fixed, impalpable and stabbing pain over the chest, hypochondrium and other local regions, pale complexion, light purplish tongue or with petechiae, sunken, astringent and weak pulse.

Analysis of symptoms:
Dispiritedness, lack of qi, no desire to speak, spontaneous sweating and pale complexion are due to hypofunction of the viscera and tissues; fixed, impalpable and stabbing pain is due to inhibited flow of blood; light purplish tongue or with petechiae, sunken, astringent and weak pulse conditions are signs of qi asthenia and blood stasis.

Key points for syndrome differentiation:
The syndrome is marked by the manifestations of both qi deficiency and stagnant blood circulation.