Elderly heart and lung failure can’t eat can’t live long usually need to according to rescue whether timely judgment, such as rescue not timely shortest only need a few days can die, rescue timely and proper patients can survive several years to decades. 1. untimely treatment: cardiopulmonary failure in the elderly can not eat belongs to the more critical symptoms, this time the patient can show dyspnea, hypoxemia, lower limb edema, metabolic acidosis and other symptoms. If you do not get timely treatment, the patient can be within a few days of life-threatening, resulting in survival time is not long. 2. Timely treatment: the elderly heart and lung failure can not eat after timely and effective treatment, usually can be improved. If the patient’s compliance is good, and the family actively helps the patient’s rehabilitation, then the patient can survive for a longer period of time, up to several years to several decades. To summarize, the elderly heart and lung failure can not eat meals how long to live and whether to get timely treatment is closely related.