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Q. What does high deceleration time in echocardiogram indicate?

Answered by
Dr. Mangesh Baliram Danej
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Oct 01, 2016 and last reviewed on: Sep 15, 2020

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?

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#

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.

For further information consult a cardiologist online --> https://www.icliniq.com/ask-a-doctor-online/cardiologist

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.

For further information consult a cardiologist online --> https://www.icliniq.com/ask-a-doctor-online/cardiologist

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.

For further information consult a cardiologist online --> https://www.icliniq.com/ask-a-doctor-online/cardiologist


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