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Veins
Veins are thin blood vessels that carry blood from various body parts to the heart. These have valves in them to prevent back flow of blood.
2,123 Questions
What is the name of the vein on the thumb side of the arm?
The cephalic vein drains the lateral side of the arm.
What are the complications resulting from a blowed vein?
Complications from a blown vein, or venipuncture injury, can include bruising, swelling, and pain at the site of the injury. In some cases, it may lead to a hematoma, where blood accumulates outside the blood vessel, causing further discomfort. Rarely, a blown vein can result in phlebitis, which is inflammation of the vein, or the formation of a blood clot. Prompt care and monitoring are essential to manage these complications effectively.
How can you tell you are in a vein when drawing with a butterfly needle?
You can tell you are in a vein when using a butterfly needle by observing a few key signs. First, you should feel a sudden give or a slight drop in resistance as the needle enters the vein. Additionally, you may notice blood flash back into the chamber of the needle or the tubing, indicating successful venous access. Finally, if the blood flows easily when you gently pull back on the plunger, it confirms that you are properly positioned within the vein.
Why does thrombi form in the arteries?
A thrombosis or thrombus is a blood clot. They can develop in any vein, but especially in the femoral veins of the thighs and in veins located in the calves. While many health issues can result in a clot developing, the most common reasons are a combination of these facts:
- inability or failure to move about frequently; inactivity, including jobs that require sitting for long hours
- inability or failure to stay adequately hydrated
- high cholesterol
- high blood pressure
- any circulatory condition in which the blood vessels become narrowed
A clot usually begins with RBCs becoming sticky, such as when the person is dehydrated. The sticky RBCs attach to a vein wall. As more blood swooshes by and past the sticky spot, more RBCs also begin to stick to that spot. A vein may have just a bump of sticky RBCs, or the clot can fill half or more of the vein lumen (the hollow part of the blood vessel).
IF the clot stays together, it can block off the flow of blood completely. The limb below the clot might get hot, red, painful, swollen--- or there may be no symptoms. If severe, the entire limb may swell. The clot may form a clothesline-like structure, filling a vein for many inches or even feet.
IF a portion of the clot breaks off, it becomes an embolus. It can then travel to the heart, lungs, or brain where it can cause considerable damage or even death.
Penetrating injuries to the neck can damage the jugular vein. Sometimes it also get damaged with bleeding during Central venous line, a procedure which involves cannulation of the neck veins for feeding or monitoring.
What is the job of arteries and arterioles?
The function is it carries blood away from the heart, and the structure of the wall is is usually very thick, there is 3 layers of the wall. The first is Epithelial cells, the second is muscle tissue, and the last is a flexible connective tissue.
What is pertaining to the artery?
"Pertaining to the artery" refers to anything related to arteries, which are blood vessels that carry oxygenated blood away from the heart to various parts of the body. This can include anatomical structures, functions, diseases, or medical conditions associated with arteries, such as atherosclerosis or hypertension. The term may also be used in medical contexts to describe procedures or treatments involving arteries, like angioplasty.
The condition of varicose veins in the esophagus is called?
The condition of varicose veins in the esophagus is called esophageal varices. These swollen veins occur due to increased pressure in the portal vein, often as a result of liver cirrhosis or other liver diseases. Esophageal varices can lead to serious complications, including bleeding, which is a medical emergency. Proper management and monitoring are crucial for individuals with this condition.
Why is saline water given through the vein not through the artery?
Because it is easier, safer, and less painful to puncture a vein than an artery. The vein is larger than the artery and has a thinner wall. The artery is covered in a muscular layer, while the vein is not. The angle that you would have to use to safely enter an artery would be awkward if sitting across from a patient, while the angle of entry for a vein is straight on.
What are all the veins and arteries in a dogs cardiovascular system?
A dog's cardiovascular system consists of several key arteries and veins. Major arteries include the aorta, pulmonary arteries, carotid arteries, and femoral arteries, which transport oxygenated blood from the heart to various body parts. Major veins include the superior and inferior vena cavae, pulmonary veins, and femoral veins, which return deoxygenated blood to the heart. Additionally, there are numerous smaller arteries and veins that supply and drain blood from specific organs and tissues throughout the body.
