are attached to portable ladders, which are used. on each side of a ladder jack scaffold to form a. means of support for a platform.
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.The return of blood via the vena cava can be compromised and cause disease.For example, in the superior vena cava syndrome, the symptoms that result from compression of the large vein that carries blood down to the heart.The superior vena cava is located in the middle of the chest and is surrounded by rigid structures and lymph nodes.he return of blood via the vena cava can be compromised and cause disease. For example, in the superior vena cava syndrome, the symptoms that result from compression of the large vein that carries blood down to the heart.
The inferior vena cava is the large vein that returns deoxygenated blood to the heart (Figure 1). Vena cava interruption is the placement of a filter in the inferior vena cava to trap clots and prevent pulmonary embolism (clot in lung). This interrupts or interferes with the free flow of blood through the vein.nferior vena cava filter placement is surgery to place a filter into your inferior vena cava. The inferior vena cava, or IVC, is a large blood vessel found in your abdomen (stomach). It begins at your abdomen, and continues up to your heart, inside your chest.