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Table 1 Diagnostic criteria of Traditional Chinese Medicine (TCM) syndromes

From: The efficacy and safety of Shenzhu Guanxin Recipe Granules for the treatment of patients with coronary artery disease: protocol for a double-blind, randomized controlled trial

Diagnostic criteria of TCM syndromes
Main symptoms 1. Chest pain
2. Sense of suppression in the chest
The included patients need to have one of the main symptoms
Qi deficiency syndrome 1. Palpitation and shortness of breath
2. Fatigue
3. Spontaneous sweating
4. Pale complexion
5. Pale tongue
6. Corpulent tender tongue with indentations in the margin of the tongue
7. Weak pulse
The included patients need to have two or more of the above symptoms
Blood stasis syndrome 1. Dark purple lips, complexions or claws
2. Purple, dark or bruised tongue
3. Enlarged sublingual venation
4. Uneven pulse
The included patients need to have two or more of the above symptoms
Phlegm turbidity syndrome 1. Being overweight
2. Thick and greasy tongue
3. Slippery pulse
The included patients need to have two or more of the above symptoms