If a patient has panic attacks accompanied by chest tightness during infusion, the first thing to consider is infusion reaction: the first kind, allergic reaction, the patient has chest pain and chest tightness, shortness of breath, panic attacks, and accompanied by skin rash, skin itching, rubella, hives, and in severe cases, accompanied by symptoms such as anaphylaxis and anaphylactic asthma; the second kind, pyogenic reaction, the patient has high fever accompanied by panic attacks and chest tightness, and the body temperature can The third kind, the symptoms of the nervous system, when the chest tightness and shortness of breath are accompanied by pallor, fine and rapid pulse, and drop in blood pressure due to panic; the fourth kind, the patient has a previous history of coronary heart disease and has acute heart failure caused by infusion of lung, edema, cough, coughing, and coughing pink foamy sputum.