Ductus Venosus S‐Wave/Isovolumetric A‐Wave (SIA) Index and A‐Wave Reversed Flow in Severely Premature Growth‐Restricted Fetuses

Objective. Ductus venosus (DV) Doppler waveforms show 2 periods of decreased velocity during iso‐volumetric relaxation (isovolumetric relaxation velocity [IRV]) and atrial contraction (A wave or end‐diastolic velocity [EDV]). In intrauterine growth‐restricted (IUGR) fetuses, both may become abnormal...

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Veröffentlicht in:	Journal of ultrasound in medicine 2008-09, Vol.27 (9), p.1283-1289
Hauptverfasser:	Picconi, Jason L., Kruger, Michael, Mari, Giancarlo
Format:	Artikel
Sprache:	eng
Schlagworte:	Blood Flow Velocity Doppler ultrasound ductus venosus Female Fetal Growth Retardation - diagnostic imaging Humans intrauterine fetal death intrauterine growth restriction isovolumetric relaxation Male Pregnancy Pregnancy Outcome Premature Birth - diagnostic imaging Prognosis reversed flow S-wave/isovolumetric A-wave index Ultrasonography, Doppler, Pulsed - methods Umbilical Veins - diagnostic imaging
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