Diastolic Dysfunction evaluation on Echocardiography

Watch above video to understand diastolic Dysfunction

Diastolic Dysfunction on Echo:

Diastolic dysfunction refers to the heart's inability to relax and fill properly during diastole. Echo findings:

Grading of Diastolic Dysfunction:

1. *Grade 1 (Mild)*: Abnormal relaxation, E/A ratio < 0.8

2. *Grade 2 (Moderate)*: Pseudonormal filling, E/A ratio 0.8-1.5

3. *Grade 3 (Severe)*: Restrictive filling, E/A ratio > 2

Echo Parameters:

1. *E/A Ratio*: Early diastolic filling velocity (E) to late diastolic filling velocity (A) ratio

2. *E-wave Deceleration Time (DT)*: Time for E-wave to decrease from peak to baseline

3. *Isovolumic Relaxation Time (IVRT)*: Time from aortic valve closure to mitral valve opening

4. *Tissue Doppler Imaging (TDI)*: Measures myocardial velocities, helping to assess diastolic function

Clinical Significance:

Diastolic dysfunction can lead to:

1. Heart failure with preserved ejection fraction (HFpEF)

2. Increased risk of cardiovascular events

3. Decreased exercise tolerance

Accurate diagnosis and grading of diastolic dysfunction on echo can guide management strategies and improve patient outcomes.

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