What causes sudden heart failure?


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Heart failure generally refers to heart failure. Sudden heart failure may be related to factors such as myocardial disease, cardiac overload, and ventricular preload insufficiency.
1. Myocardial diseases such
as myocarditis, dilated cardiomyopathy, and myocardial ischemia may lead to myocardial ischemia, hypoxia, and necrosis due to the destruction of myocardial structure and function.
2. Cardiac overload such
as hypertensive heart disease, pulmonary hypertension, and aortic stenosis may affect heart pumping, resulting in increased cardiac load, and thus cause heart failure.
3. Ventricular preload insufficiency such
as mitral stenosis, constrictive pericarditis, and restrictive pericarditis may affect cardiac blood supply, leading to cardiac insufficiency, and may also be prone to sudden heart failure.