Interior vacuity

Any pattern that arises when the yīn, yáng, qì, or blood or one or more of the bowels and viscera is debilitated, and that is marked by scantness of breath, laziness to speak, heart palpitation, lassitude of the spirit, dizziness, cloudy vision, decreased food intake, fatigued limbs, aching lumbus and limp knees, insomnia, dream emission, pale tongue fur, and weak vacuous pulse.