Acute heart failure (STC) refers to a rapid onset or worsening of the symptoms and/or signs of heart failure, which is life-threatening, often resulting in hospitalization, requiring emergency evaluation and treatment. /emergency. Acute heart failure is a relative term used to describe heart failure that progresses rapidly over hours to days. The clinical feature of STC is the presentation of acute circulatory failure with cardiogenic shock. The pathophysiological feature is total heart failure (both right and left heart failure).

Electrocardiogram and EEG are both tests that record waves on paper to diagnose diseases. The basic difference is that electrocardiogram is used to diagnose cardiovascular diseases while EEG is used to diagnose diseases of the brain.