Diagnostic criteria for diastolic heart failure

The diagnosis criteria of diastolic heart failure need to be based on clinical symptoms, left ventricular ejection fraction, cardiac color Doppler examination and other aspects of comprehensive diagnosis.

1. Clinical symptoms of patients with typical

symptoms of heart failure such as dyspnea and edema of lower limbs during activity or rest can be used as an auxiliary diagnosis basis for diastolic heart failure.

2. Left ventricular ejection fraction

Cardiac color Doppler examination results show that left ventricular ejection fraction is normal or decreased, but the value is greater than or equal to 45%.

3. Cardiac color Doppler examination

If the result of cardiac color Doppler examination shows abnormal left ventricular relaxation or diastolic disorder, it can be used as a diagnosis basis.