How does left heart failure occur?

Left heart failure is divided into acute left heart failure and chronic left heart failure, the causes are different.

1, acute left heart failure

may be caused by cardiovascular disease, such as aortic valve insufficiency, hypertension crisis, acute myocarditis, etc., may also be related to thyroid crisis, anemia, sepsis and other diseases.

2, chronic left heart failure

Chronic left heart failure occurs in patients with underlying heart disease, such as coronary atherosclerotic heart disease, rheumatic heart disease, senile degenerative heart valve disease, diabetic cardiomyopathy, dilated cardiomyopathy, etc.