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HomeAnswersCardiologydiastolic dysfunctionWhat is the significance of high deceleration time in echocardiogram?

What does high deceleration time in echocardiogram indicate?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

Dr. K. Shobana

Published At October 1, 2016
Reviewed AtJune 12, 2023

Patient's Query

Hi doctor,

I recently had an echocardiogram. The results were normal, but the deceleration time is 439 ms. My doctor did not say anything about it while reviewing the results. But, I have subsequently learned that it is very prolonged. What should I do now?

Hi,

Welcome to icliniq.com.

It suggests grade 1 diastolic dysfunction. It is explainable by your obesity as evident from BMI - body mass index mentioned.

Patient's Query

Thank you doctor,

My E to A ratio is 1.51 and E/Ea is 6. Is that inconsistent with a deceleration time of E/Ea? I am concerned about cardiac amyloidosis.

Hi,

Welcome back to icliniq.com.

E to A ratio (early to late ventricular filling) for grade I diastolic dysfunction, which is characterized by prolonged deceleration time due to prolonged relaxation, is typically less than 1.0. Also, your E/Ea of 6 suggests either normal diastolic function or grade I diastolic dysfunction. So, your readings have to be repeated by another echocardiography, although not as an emergency. For suspicion of cardiac amyloidosis (abnormal protein deposit in heart), there should be diastolic dysfunction of severe grade.

Patient's Query

Thank you doctor,

I will repeat the echocardiogram. I have read that in the early stages of cardiac amyloidosis, there is an abnormal relaxation before restriction. Is it so?

Hi,

Welcome back to icliniq.com.

In the first place, there is a discrepancy in the readings itself. Then, we have an explanation already (as high BMI) for this case and there is grade 1 diastolic dysfunction. To shed more light on the morphology of myocardium for diagnosis of amyloidosis, one may require cardiac MRI followed by a confirmatory endomyocardial biopsy.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Danej Mangesh Baliram
Dr. Danej Mangesh Baliram

Cardiology

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