Yang Ming channel disease is comparable to which level in the 4 levels?

Yang Ming channel disease is primarily characterized by specific symptoms related to clear heat and the engagement of the Yang Ming channels, which incorporates both the stomach and large intestine. These characteristics align with the Qi level of the four levels in Traditional Chinese Medicine (TCM). At the Qi level, there's often a significant presentation of heat symptoms, such as high fever, constipation, and abdominal pain, reflecting the pathophysiology of Yang Ming channel disease.

In contrast, the other levels, such as the Defensive (Wei) level, mainly involve the body's external defenses and tend to show symptoms like aversion to cold, fever, and an absence of significant internal heat manifestations. The Blood (Xue) level involves more severe conditions with deeper symptoms like bleeding or disturbances of the mind, which are not central to Yang Ming channel disease. The Nutritive (Ying) level relates to the interior's deeper aspects and may show signs of heat or deficiency more than the overt symptoms seen in Yang Ming. Therefore, associating Yang Ming channel disease with the Qi level appropriately reflects the nature of its presentation and pathology.