The original cardiovascular disease or the occurrence of heart failure based patients, it is easy to appear some signs and symptoms of pulmonary circulation stasis, but this symptom will basically be diagnosed as cardiac insufficiency, then for some of the care and diagnosis of cardiac insufficiency, most people are not quite understand, now we will go to understand. Now we will understand the care of cardiac insufficiency as well as the diagnosis, the first thing that needs to be done is to observe the development of the condition, next the patient should rest, and the way and time of rest should be arranged according to the patient’s cardiac function, after all, cardiac function level 1 patients should avoid gravity labor. Grade II patients should get adequate rest, and may increase the lunch break as well as the night sleep time. At level 3, bed rest is required, but the patient is allowed to slowly get out of bed and perform activities such as urination and defecation. Grade 4 patients need absolute bed rest, so long-term bed-ridden patients should also be encouraged to change their position, deep breathing and limb movement. The causes of cardiac insufficiency are many, and the causes are all related to the decline in myocardial contractile function and the decrease in forward blood excretion of the heart, resulting in blood and metabolism circulating in the body or the pulmonary circulation of the symptoms are inseparable, so the in-depth study of cardiac insufficiency is no longer regarded as a simple blood flow disorder, and more importantly, it is a clinical syndrome in which a variety of neural and humoral factors are involved, contributing to the sustained development of cardiac insufficiency. Clinical syndromes. Although there are many reasons for the development of cardiac insufficiency in patients, current medical technology can help patients to quickly determine the cause of their cardiac insufficiency. The heart, as the most important part of the human body, cardiac insufficiency, also known as heart failure in medicine, and the harm that the heart will produce, I think I don’t need to say that we all understand, if the patient is in a state of long-term cardiac insufficiency, so that the human body’s blood flow into a vicious circle, then it will threaten the safety of people’s lives, so that the heart becomes more unhealthy.