For patients with pneumonia there will be a certain amount of panic, shortness of breath, palpitations and other manifestations, usually because of the following factors: 1. Pneumonia will occur during the infection phase of inflammation, such as increased white blood cells, inflammatory response and other conditions, when the body will be infected with bacteria, viruses or other pathogenic microorganisms, such as mycoplasma and chlamydia, etc. The body will have a certain immune response, the body will be released by these inflammatory factors of inflammatory mediators, such as interleukins, tumor necrosis factor and other conditions, resulting in a series of clinical symptoms and performance of panic, chest tightness, shortness of breath, palpitations, etc. 2, for patients with previous coronary heart disease, myocarditis and other conditions resulting in inadequate blood supply to the heart, in the time of pneumonia will aggravate the above clinical symptoms, and chest tightness, shortness of breath, and The obvious manifestation of heart panic