Syncope is a transient loss of consciousness due to transient whole-brain blood hypoperfusion, characterized by rapid onset, transience, self-limitation and the ability to recover completely. Syncope is a common clinical symptom, the clinical causes of syncope are many and the mechanism is more complex. So what is the summer exertional syncope diet 6 contraindications? 1, for syncope patients who can eat, you can choose glucose, rice soup, lotus root powder, fruit juice, jam, jelly and other foods that can supply carbohydrates, as well as fine grains and fruits with little fiber. Soy products are rich in leucine, isoleucine and other branched-chain amino acids, and are a good source of protein for syncope patients. Cow’s milk protein produces less ammonia and can be increased gradually in appropriate amounts as the condition improves. But need to pay attention to the electrolyte changes, correct electrolyte disorders. 2, the syncope patient’s diet should pay attention to control the total energy and protein amount, reduce the body metabolism ammonia production. Diet should be based on carbohydrates, which should account for 75% of the total energy. When coma can not eat, if there is no esophageal varices, can also use the gastric tube to supply nutrients, when there is esophageal varices, should use intravenous drip 20% glucose saline or drip hypertonic 50% glucose solution to maintain the thermal energy needs. 3, in the prodromal period of syncope, the patient should use easily digestible low protein, low fat, low salt, high carbohydrate semi-liquid diet or liquid diet, and those who have coma, can be nasal feeding liquid food. 4, chili pepper is easy to hurt the lung qi, consume heart yin, so that the heart and lung qi and yin deficit, thus aggravating the symptoms of wheezing and coughing. Spicy oil, spicy seasonings, spicy sauce, Beijing onion, ginger, mustard, polygonum, etc., are eaten sparingly. 5, lard makes the phlegm turbid, internal and external evil wrestle with the knot, glued sticky, so that the phlegm is not smooth, cough difficult to heal; and make the water and moisture transport and transformation of the failure, water drink overflow in the limbs, chest, appear edema, wheezing can not sleep and other symptoms. Butter, cream, oil pierogi, fried quail, electric roast chicken, duck, etc., try not to eat. 6, cold drinks can block the chest Yang, produce phlegm and moisture, thus making the lung disease patients cough and wheezing, phlegm, palpitations and other symptoms aggravated.