What disease does Grade I left ventricular diastolic dysfunction belong to?

Grade I left ventricular diastolic dysfunction refers to Grade I left ventricular diastolic function, which generally represents a mild form of diastolic heart failure. The specific details are as follows:

Patients with diastolic heart failure typically have normal ejection fractions, but exhibit thickened ventricular walls and reduced wall compliance, leading to clinical symptoms of heart failure. Left ventricular diastolic dysfunction is a type of diastolic heart failure. Conditions such as coronary atherosclerotic heart disease, myocarditis, cardiomyopathy, hypertension, and aortic valve stenosis can all lead to left ventricular diastolic dysfunction. Clinically, left ventricular diastolic dysfunction is classified into four grades: Grade I, II, III, and IV. Among these, Grade I represents the mildest stage of the disease. In such cases, patients usually maintain sufficient cardiac function for daily activities and do not experience symptoms such as fatigue, shortness of breath, or chest tightness.

It is recommended that patients with Grade I left ventricular diastolic dysfunction maintain a light diet in daily life and avoid spicy or irritating foods.