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Vena Cava

Pregnancy & Parenting  Vbac  Ventouse
04/16/2014

Vena Cava
Definition: Major vein in your body, that after 16 weeks the weight of the uterus can restrict blood flow if you lay on your back.


Vena Cava
The superior vena cava is the large vein which returns blood to the heart from the head, neck, and both upper limbs. The inferior vena cava returns blood to the heart from the lower part of the body.
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Vena cava - Major vein in the body that empties into the right atrium of the heart. It returns unoxygenated blood to the heart for transport to the lungs.
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Superior Vena Cava Syndrome in Children
Superior vena cava syndrome in a child is a serious medical emergency because the child's windpipe can become blocked. Superior vena cava syndrome (SVCS) in children can be life-threatening.

inferior vena cava - the large blood vessel (vein) that returns blood from the legs and abdomen to the heart.

The bullet ultimately had lodged in this mother's Vena Cava, the main large vein accompanying the Aorta and which runs blood from the lower half of the body back up toward the heart. So "harm's way" involved two people, mother and child.

On your back: While this is the most commonly used position because it allows your provider optimal space to apply delivery maneuvers, it may also cause your uterus to press against the inferior vena cava blood vessel, ...

Caused by compression of the inferior vena cava (IVC) and pelvic veins by the uterus leads to increased hydrostatic pressure in lower extremities.
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your aorta and inferior vena cava. These two provide blood to your heart AND more importantly to your baby's placenta, e.i. to Baby itself. That being said. From experience and from my doctor, your body will tell you what's going on.

Lie down or sleep on your left side, to take the pressure off your inferior vena cava. Put your feet on a pillow and wedge another pillow behind your back.
Don't sit or stand for long periods of time. Move around at least once every 30 minutes.

Sleep on the left to try and take some strain off the inferior vena cava vein ...

The blood then reaches the inferior vena cava, a major vein connected to the heart.

In later pregnancy, you may feel dizzy if you lie flat on your back and the weight of the uterus presses on your vena cava (the large vein that carries blood from your lower body back to your heart).

Your aorta and vena cava are slightly to the right of the center of your back, so laying/sleeping on your left side as much as possible ensures an unobstructed blood flow to your organs and extremities. You may be having some trouble sleeping now.

When a pregnant woman lies flat on her back, the enlarged uterus may press on the vena cava. The vena cava is a large vein that returns oxygen depleted blood to the heart.

RESULTS: Echocardiography revealed that UVCs were located ideally at the right atrial/inferior vena cava junction in only 12 (23%) of 53 patients. Twenty-four (45%) were incorrectly positioned in the left atrium.

Though it's less important which side you choose, the left side allows for maximum blood flow (less pressure on the vena cava) and could reduce swelling in the legs.

Wanneer jy op jou rug slaap, kan die druk op jou liggaam 'n baie belangrike aar, die inferior vena cava, toedruk.

In that position, your heavy uterus can press down on the vena cava (a major vein), causing abnormally low blood pressure, restricting the amount of oxygen getting to the baby, and possibly causing you to become lightheaded.

You can help to relieve pressure on your inferior vena cava (the major vein that runs down your right-hand side) by lying on your left from now on in pregnancy. This helps to encourage better circulation both for you and to your baby.

Lying on your back cuts off blood supply by compressing the inferior vena cava. Strong circulation and blood supply help in the development of your fetus in the womb.

It relieves the pressure on the vena cava and allows blood flow to you and the baby. I know it's hard though cause i'm 21 weeks and cannot stay on my side... my arm falls asleep, my back hurts.. so i end up on my back..

As your uterus gets larger and larger, it begins to put pressure on both pelvic veins and the vena cava.This causes your increased circulation to hit an orange light, so to speak, and start slowing down.

Scott DB, Kerr MG, 2005. Inferior vena cava pressure in late pregnancy. An International Journal of Obstetrics and Gynaecology 70(6): 1044-1049
Uleland K and Metcalfe J. 1975. Circulatory changes in pregnancy. Clinical Obstet Gynecol 183:41-50 ...

This position could cause you to compress the vena cava, a major blood vessel that brings blood to the baby.
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Experts believe that this occurs because your back is forced to support the considerable weight of your uterus, intestines and the inferior vena cava.

Edema is common during pregnancy because of extra blood production and pressure on the vena cava from the growing uterus. Swelling seems to be at its worst during the second and third trimesters.

- Pregnant women should sleep on their left side so as to avoid obstructing the vena cava. Vena cava is the vein that control blood circulation from lower part of the body to the heart.

Lying flat on the back compresses the large blood vessel (vena cava) leading from the lower body to the heart, decreasing blood flow to and from the heart.

Changes in blood chemistry cause some fluid to shift into your tissues, and by the third trimester, the weight of your uterus puts so much pressure on your pelvic veins and the vena cava (the large vein on the right side of your body that carries ...

‘Avoid lying on your back in the second trimester, as this puts the full weight of your growing baby on the vena cava, the vein that takes the blood to your heart,' says Melinda.
Be sure to read our excerise safety tips.

with backaches, breathing, digestive system, hemorrhoids, low blood pressure and decrease in circulation to your heart and your baby. This is a result of your abdomen resting on your intestines and major blood vessels (the aorta and vena cava).

Late in pregnancy, the uterus can also compress a major vein in the abdomen, the vena cava, when you lie on your back; if this occurs, blood is prevented from returning to the heart, and a feeling of faintness may result.

See also: See also: Pregnancy, Pregnant, Uterus, During pregnancy, Blood pressure

Pregnancy & Parenting  Vbac  Ventouse
04/16/2014

 
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