Severe dyspnea, malignant manifestations, and altered consciousness may occur before the end of life in heart failure. In severe dyspnea, the patient is unable to lie down and needs to remain seated. Slowed breathing, shallow rapid breathing, and nodding breathing may be present. Cachexia manifestations, i.e., poor natality, fatigue, extreme emaciation, and complete bed rest. Altered consciousness, due to the combination of conditions such as respiratory failure or acidosis, the patient may experience conditions such as depressed consciousness, lethargy, or even complete coma. When heart failure occurs, it is necessary to go to the cardiovascular medicine department in time, and carry out standardized treatment under the guidance of physicians to avoid delaying the condition.