In the summer heat, people’s health is also undergoing “baking test”, especially for cardiovascular disease patients, more attention, because there is a cardiovascular disease in the summer called “shadow killer”, and the symptoms and heat stroke are very similar, experts warned the need to raise The symptoms are very similar to those of heat stroke, and experts warn that they need to be taken seriously. The public is a cardiovascular patient, yesterday noon to help his grandson buy snacks when suddenly appear to hold his breath, shortness of breath, dripping sweat and other symptoms, the roadside kind-hearted people thought Xiao was heatstroke, so rushed to help him to the roadside a shopping mall with air conditioning, but Xiao’s symptoms did not improve at all, the kind-hearted people were rushed to the nearby hospital emergency department, was diagnosed as painless heart attack. After treatment his condition improved, Mr. Xiao did not understand what was going on, the heart attack is usually not very painful? Painless heart attack is a relatively common heart disease, often without the typical symptoms of heart attack, especially in elderly diabetic patients. Some patients who experience symptoms such as breath-holding, shortness of breath, and profuse sweating in the summer still think they have heatstroke, but in fact, they already have symptoms of heart attack. Patients with painless heart attack may also present with epigastric pain, back pain, sore throat, and toothache, but patients who lack common knowledge in this area are often easily associated with other diseases and do not think it is a heart problem. Therefore, elderly people, especially diabetic patients, should not take it lightly if they have symptoms similar to heat stroke in summer, and should be sent to the hospital in time to avoid delaying their condition.