HomeAnswersCardiologyechocardiogramWhat is the relationship between TAPSE and S' velocity?

What is the relationship between TAPSE and S' velocity?

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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. Lekshmipriya. B

Published At May 19, 2018
Reviewed AtJune 8, 2023

Patient's Query

Hello doctor,

I recently had an echo, and my TAPSE was only 1.8 cm. My RV S' velocity was 16 cm. They said the right ventricle was normal in systolic function and size. I read online that a TAPSE of less than 2 cm is abnormal. I am concerned about the value.

Hello,

Welcome to icliniq.com.

Different sources give different values. But a value of 18 is normal.

Patient's Query

Hi doctor,

Thank you for the reply.

Does the TAPSE number ever change? Is it one of those things that fluctuate?

Hello,

Welcome back to icliniq.com.

It is one of the denominators of heart function and may change over time. For example, suppose a person has a heart attack affecting the right ventricle (right side of the heart). In that case, his TAPSE (tricuspid annular plane systolic excursion) value will be less, suggesting an abnormal function.

Patient's Query

Hello doctor,

Thank you for the response.

Is it possible my TAPSE value could be understated at all? Out of curiosity, what is its relation to the S' velocity doppler? Is it accurate that the two values coincide with each other? As in, both are either normal or abnormal? It seems odd that the velocity doppler is better than average and the TAPSE is lower than average but both in the normal range.

Hello,

Welcome back to icliniq.com.

If a person has normal RV (right ventricular) function, both values, TAPSE and S', will be in the normal range, and in case of RV dysfunction, both values will be abnormal. So, both the values go hand in hand. In very few situations, they may differ. According to ASE (American college of echocardiography), a TAPSE value of less than 16 is abnormal, and according to some other source, S' value of less than 9.5 is abnormal. Your TAPSE value is 18, and the possibility of underrating is less as S' value is normal.

Patient's Query

Hi doctor,

Thank you for the reply. So, my echo was normal then?

Hello,

Welcome back to icliniq.com.

Yes, it is a normal echo study.

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

Dr. Sapkal Ganeshrao Patilba
Dr. Sapkal Ganeshrao Patilba

Cardiology

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