The cause of refractory heart failure?
summary
Almost all types of heart and large vessel diseases can cause heart failure. Heart failure reflects the heart's pumping dysfunction, that is, myocardial diastolic and systolic dysfunction. From the pathophysiological point of view, myocardial diastolic and systolic dysfunction can be roughly divided into primary myocardial damage and intractable cardiac insufficiency due to long-term cardiac volume and / or pressure overload? Let's talk about it
The cause of refractory heart failure?
Primary myocardial damage: coronary heart disease, myocardial ischemia, myocardial infarction, myocarditis, cardiomyopathy can lead to heart failure. Cardiac overload: in hypertension, aortic stenosis, pulmonary hypertension, pulmonary stenosis; Heart valve insufficiency, left, right heart or arteriovenous shunt congenital cardiovascular disease, such as septal defect, patent ductus arteriosus, etc.
Arrhythmia: atrial fibrillation is the most common; Other types of tachyarrhythmias and severe bradyarrhythmias can induce heart failure. Increased blood volume: such as excessive intake of sodium salt, intravenous fluid input too much, too fast, etc.
The original heart disease aggravates or complicates with other diseases, such as coronary heart disease, myocardial infarction, rheumatic valvular disease, rheumatic activity, hyperthyroidism or anemia. Excessive physical exertion or emotional excitement. Such as inappropriate discontinuation of diuretics or antihypertensive drugs.
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