Pulmonary embolism due to venous thrombus dislodgement is very common, and there are more types of pulmonary embolism, such as dyspnea, chest pain, and even prolonged hypothermia in some patients. However, the most common type is sudden dyspnea with chest pain, which is often dominated by right chest pain. A significant decrease in blood oxygen can be found under monitoring, and this decrease in blood oxygen cannot be improved by oxygenation.