Color Doppler and USG

Color Doppler and USG

This method is based on the frequency variation of the speech-controlled structures, while reflecting the current in the vessel structures. The current information is obtained by the color Doppler imaging when the current is transduced and stained according to direction and velocity, and is placed in the venous image on the Grayscale B mode. The flow velocities are measured by the graphical Doppler spectrum and flow modes are determined. (Austrian physicist and mathematician Christian Doppler). Movable objects that are targeted in Doppler examinations are red blood cells, ie red blood cells.


From the perspective of pregnancy studies, the Doppler plays an important role in determining the risks of some diseases and conditions. Usually with pregnancy, the resistance in the blood vessels feeding the uterus drops and the blood flow to the placenta and baby increases through the uterus. If this resistance does not decrease and the blood flow is low, some changes in the Doppler flow curves are observed.


The so-called Doppler screening test can be used to measure the flow of blood in the arteries of the umbilical cord, the main arteries being the uterine arteries and the uterine arteries around the 20th pregnancy week and the future assessment of resistance to pregnancy poisoning (preeclampsia)) are seen as a prediction for an increased risk of conditions such as infant mortality in the mother's body.


The blood flow curves in the arteries in the umbilical cord also play an important role in determining the amount of blood that goes to the baby and in assessing the distressing condition that the baby has, especially in cases of developmental delay. A recent decline in the last months of pregnancy has been a critical recipe for birth control since it can lead to infant mortality in the mother's body.


In addition, color-doppler examination is also used for the early detection and resting of baby's heartbeats. A further area of application is the observation of the main veins from the heart of the baby and the examination of congenital heart abnormalities. The observation of the vascular structures on both sides of the urine bag during the routine pregnancy ultrasound is a finding that reduces the risk of a possible anomaly.


how is it done?

The Doppler ultrasound examination does not require a separate examination. If there is a Doppler feature used in the ultrasound device during routine pregnancy follow-up, your doctor can switch to this mode at any time to monitor and measure the blood flow. For example, if the first ultrasound is performed in a 6-week pregnancy, the baby's heartbeat is ejected in this way, while when the baby urine is seen at a later time, the vessel structures are observed with colored dots on both sides can.

If you see your doctor during the detailed ultrasound examination at the 20th Pregnancy Week, the blood flow in the blood vessels that feed the uterus can be measured.

During further routine examinations the blood flow to the baby on the umbilical cord is measured and the situation in the baby is assessed.


Doppler is risky?

Theoretically, the Doppler ultrasound has a higher risk of regional temperature elevation and bubble formation. For this reason, the risk arising from this study is somewhat higher than the normal ultrasound examination. However, the long-term Doppler application in animal experiments shows that there may be an increase of about 2.5 ° C in tissue, even if this level is safe in humans and the Doppler studies in pregnancy do not take so long. So far, no adverse effects have been reported due to the double studies of humans. How is gynecology used?


Doppler USG practices outside of pregnancy facilitate the diagnosis of some diseases in the assessment of gynecological organs. Measurement of the blood flow into the uterus and the ovaries, and cysts and tumors in these organs are determined to be good - malignant.

Vitale Hastanesi

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