enkel E

English translation: only E was measured

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Dutch term or phrase:enkel E
English translation:only E was measured
Entered by: Dr Lofthouse

20:35 Apr 18, 2013
Dutch to English translations [PRO]
Medical - Medical: Cardiology / EKG
Dutch term or phrase: enkel E
" Inflow pattern: enkel E ikv VKF (E/E’ 26)."

TIA
Dr Lofthouse
France
Local time: 12:36
only E was measured
Explanation:
enkel E ikv VKF (E/E’ 26)" = >

enkel E in het kader van (ikv) voorkamerfibrilleren (VKF) (E/E’ 26).

only E was measured because of AF (atrial fibrillation)

The peak early diastolic velocity of transmitral flow (E) was measured by pulsed-wave Doppler

http://www.ncbi.nlm.nih.gov/pubmed/17652894

I think they measured only the E wave velocity and not the A wave velocity because of atrial fibrillation

the A wave is caused by atrial contraction and when there is atrial fibrillation there is no longer an effective atrial contraction and therefore it's no use measuring the A wave

this means the E/A ratio cannot be dertermined, only the E/E' ratio

normally they would determine both (E/A and E/E'), therefore they say 'enkel E' = only the E

When flow across the MV is assessed with PW Doppler, two waves are characteristically seen. These represent passive filling of the ventricle (early [E] wave) and active filling with atrial systole (atrial [A] wave). Classically, the E-wave velocity is slightly greater than that of the A wave (see Figure 5). However, in conditions that limit the compliance of the LV, two abnormalities are possible:

http://www.ncbi.nlm.nih.gov/books/NBK2215/

Tissue Doppler imaging (TDI, DTI)
TDI of the mitral apparatus is said to be less load-dependent than mitral inflow parameters. An E' and A' wave are seen, corresponding to the E and A waves on mitral inflow. Apart from providing an assessment of LV dP/dT, TDI has been proposed as a way of determining whether a 'normal' mitral inflow is actually 'pseudonormal'. With a pseudonormal pattern, restriction and impaired relaxation are balanced, and the E/A ratio looks normal because of the high LA pressure. E' will velocity will still be abnormal as it's relatively load independent.

* TDI may even be of value in the presence of atrial fibrillation, where there's no A wave. * Diastolic dysfunction may well be present with a DT under 150ms, E/E' ratio over 15 using TDI, and Pv under 40cm/s on colour M-mode, provided one looks at cycles corresponding to a rate of 60--80/min.

http://www.anaesthetist.com/anaes/patient/Findex.htm#lusio.h...



Selected response from:

Barend van Zadelhoff
Netherlands
Local time: 13:36
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Summary of answers provided
3only E was measured
Barend van Zadelhoff


  

Answers


5 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
only E was measured


Explanation:
enkel E ikv VKF (E/E’ 26)" = >

enkel E in het kader van (ikv) voorkamerfibrilleren (VKF) (E/E’ 26).

only E was measured because of AF (atrial fibrillation)

The peak early diastolic velocity of transmitral flow (E) was measured by pulsed-wave Doppler

http://www.ncbi.nlm.nih.gov/pubmed/17652894

I think they measured only the E wave velocity and not the A wave velocity because of atrial fibrillation

the A wave is caused by atrial contraction and when there is atrial fibrillation there is no longer an effective atrial contraction and therefore it's no use measuring the A wave

this means the E/A ratio cannot be dertermined, only the E/E' ratio

normally they would determine both (E/A and E/E'), therefore they say 'enkel E' = only the E

When flow across the MV is assessed with PW Doppler, two waves are characteristically seen. These represent passive filling of the ventricle (early [E] wave) and active filling with atrial systole (atrial [A] wave). Classically, the E-wave velocity is slightly greater than that of the A wave (see Figure 5). However, in conditions that limit the compliance of the LV, two abnormalities are possible:

http://www.ncbi.nlm.nih.gov/books/NBK2215/

Tissue Doppler imaging (TDI, DTI)
TDI of the mitral apparatus is said to be less load-dependent than mitral inflow parameters. An E' and A' wave are seen, corresponding to the E and A waves on mitral inflow. Apart from providing an assessment of LV dP/dT, TDI has been proposed as a way of determining whether a 'normal' mitral inflow is actually 'pseudonormal'. With a pseudonormal pattern, restriction and impaired relaxation are balanced, and the E/A ratio looks normal because of the high LA pressure. E' will velocity will still be abnormal as it's relatively load independent.

* TDI may even be of value in the presence of atrial fibrillation, where there's no A wave. * Diastolic dysfunction may well be present with a DT under 150ms, E/E' ratio over 15 using TDI, and Pv under 40cm/s on colour M-mode, provided one looks at cycles corresponding to a rate of 60--80/min.

http://www.anaesthetist.com/anaes/patient/Findex.htm#lusio.h...





Barend van Zadelhoff
Netherlands
Local time: 13:36
Specializes in field
Native speaker of: Native in DutchDutch
PRO pts in category: 83
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