Acute heart failure

Acute heart failure refers to the development of organic heart disease to a decrease in myocardial contractility, which prevents the heart from exhausting all the return blood volume, reduces the stroke volume, causes pulmonary vein stagnation, and severe insufficient blood supply to the arterial system. It is common in acute myocarditis, Myocardial infarction, severe heart valve stenosis, acute heart volume overload, rapid ectopic rhythm. Clinically, it is characterized by extreme irritability, shortness of breath, white foam or pink foam sputum, and wet and dry rales in both lungs.