micro jet

22:02 Apr 22, 2018
French to English translations [PRO]
Medical - Medical: Cardiology
French term or phrase: micro jet
This is from a cardiac ultrasound report for a patient who has undergone aortic repair surgery.

"Commentaires:

AORTE: Plastie aortique non sténosante avec micro jet d'IAo résiduelle centrale visible en fenêtre apicale 5cavités

...
OG non dilatée. Micro jet d'IM centrale."

Thanks for any suggestions.
Ysabel812

Summary of reference entries provided
microjet
Nathalie Stewart

  

Reference comments


1 hr peer agreement (net): +2
Reference: microjet

Reference information:
IM = insuffisance mitrale
IAo = insuffisance aortique

https://en.wikipedia.org/wiki/Aortic_insufficiency
Diagnosis
In terms of the diagnosis of aortic regurgitation a common test for the evaluation of the severity is transthoracic echocardiography, which can provide two-dimensional views of the regurgitant jet, allow measurement of velocity, and estimate jet volume.

https://medical-dictionary.thefreedictionary.com/jet lesions
jet lesions
Vegetations that develop where a regurgitant ‘jet’ of turbulent blood flow strikes the endocardium, causing fibrosis and roughening, typical of anomalies of blood flow from a high-to-low pressure region—e.g., aortic stenosis or coarctation, mitral stenosis, ventricular septal defect, or patent ductus arteriosus, as occurs in rheumatic fever or congenital heart disease; roughened JLs may give rise to small emboli and produce cerebral thromboembolism.

https://en.wikipedia.org/wiki/Artificial_heart_valve
Cavitation is an event that can lead to MHV failure... Cavitation is the rapid formation of vaporous microbubbles in the fluid due to a local drop of pressure below the vaporization pressure at a given temperature. When conditions for cavitation are present bubbles will form and at the time of pressure recovery they will collapse or implode. This event will cause pressure or thermal shockwaves and fluid microjets which can damage a surface.

https://www.jstage.jst.go.jp/article/jsmec/47/4/47_4_1043/_p...
The cavitation phenomenon in mechanical heart valves is well documented and has been visualized by stroboscopic photography... The collapse of the cavitation bubbles generates a high-speed micro-jet and shock waves that may damage the valve surface and blood components.

Nathalie Stewart
France
Works in field
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench

Peer comments on this reference comment (and responses from the reference poster)
agree  writeaway
14 hrs
  -> Thank you!
agree  Clare Peartree
11 days
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