What are the diagnostic criteria for acute left heart failure?

The diagnostic criteria of acute left heart failure are accompanied by typical clinical symptoms, heart rate between 130-140 beats/min, wet rales in the lungs and interstitial edema in X-ray.

Clinically, if there is basic cardiomyopathy in the past, accompanied by orthopnea, paroxysmal dyspnea, coughing up pink foamy sputum and other typical clinical symptoms, a large number of wet rales or wheezing sounds are found in auscultation of the lungs, heart rate between 130-140 beats/min, pulmonary X-ray shows interstitial edema, diastolic galloping rhythm in the apical region, etc., it can basically be diagnosed as acute left heart failure.