The symptoms that appear in a dying person are medically called near-death symptoms, and there are several near-death symptoms as follows: 1. The most obvious is the digestive system symptoms, there will be obvious inability to eat, and there will be upper gastrointestinal bleeding accompanied by vomiting blood and black stool. 2. 3. In the circulatory system, there will be obvious arrhythmia, or typical heart failure, such as sitting breathing, apnea or obvious arrhythmia, palpitation, chest tightness, shortness of breath, etc. In the nervous system, there will be trance, coma, lethargy, or even loss of consciousness. Loss of consciousness.