1) diet should be controlled: cor pulmonale has a long course and consumes a lot, and at the same time, due to right heart insufficiency, gastrointestinal congestion affects digestion and absorption, leading to loss of appetite. Therefore, we should provide patients with a nutritious and digestible diet, eat more high-quality protein such as milk and eggs, and supplement protein. Pay attention to eat less and eat more meals to ensure nutrient supply and not increase the burden on the stomach. 2) Pay attention to the harmony of the five flavors: there are five flavors in the diet: sour, sweet, bitter, spicy and salty, and different diseases have different taboos on the five flavors. If you have difficulty breathing and cough, you should avoid spicy food; People with cardiac insufficiency should eat a low-salt diet; Patients with hypertension and arteriosclerosis should enter a low-fat diet. Chinese medicine believes that overeating is fat and sweet, which is easy to help dampness, phlegm and heat; Eating too much cold food is easy to damage the yang of the spleen and stomach and make the cold endogenous; Partial eating of spicy and other irritating foods will also cause stomach and intestines to accumulate heat and endogenous heat and toxic evil. Therefore, you must not be partial to food simply according to your personal hobbies. Of course, cooking should also pay attention to the harmony of five flavors to make the food delicious and increase the appetite of patients. 3) Chinese medicine says that diet should adapt to the cold and heat of the disease. Diseases are divided into cold syndrome and heat syndrome, and diet should also correspond to cold and heat. In the remission stage of cor pulmonale, most of them are deficiency-cold syndrome of lung, spleen and kidney yang deficiency, so we should eat warm diet and avoid cold and salty diet; During acute attack, phlegm-heat is evil, so we should avoid spicy, warm, dry and hot products and greasy, sweet and thick products. 4) The diet of patients with cor pulmonale should be light and vegetarian. Chinese medicine has always advocated vegetarian health, and people often say that "fish makes a fire, meat produces phlegm, and vegetables and radishes keep safe." In today's world, most of the health secrets of many long-lived elderly people are mainly vegetarian. Patients with cor pulmonale have poor physical strength, little activity and are prone to constipation. Eating meat is not easy to digest because of digestive dysfunction. Therefore, we should eat more nutritious and digestible foods such as vegetables and fruits. Lung qi in patients with pulmonary heart disease can not help the heart to circulate blood, spleen deficiency, insufficient biochemical sources of qi and blood, and poor blood circulation; Kidney deficiency leads to deficiency of vitality, functional attenuation, poor circulation of qi and blood, and pathological changes of blood stasis. Feixin decoction has the function of promoting blood circulation and removing blood stasis, improving blood viscosity of patients with severe pulmonary heart disease, reducing pulmonary hypertension and pulmonary vascular resistance, thus effectively treating pulmonary heart disease.

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