What does "vena cava" mean?

Mar 27, 2023 Source: Cainiu Health

Dr. Wang Xin

Introduction

The venae cavae are two large veins: the superior vena cava and the inferior vena cava. They carry deoxygenated blood from the lower body, head, arms, and upper body back to the heart for recirculation. The venae cavae are large veins that transport blood to the heart. The superior vena cava begins behind the sternum, near the right first rib. It descends and empties into the right atrium at the level of the third rib.

The vena cava consists of two large veins: the superior vena cava and the inferior vena cava. They are responsible for returning deoxygenated blood from the lower body, head, arms, and upper body back to the heart for recirculation.

The vena cava are large veins that transport blood to the heart. The superior vena cava begins behind the sternum near the right first rib. It descends and empties into the right atrium at the level of the third rib, measuring approximately 7 cm in length and running close to the right lung within the space between the two lungs. The inferior vena cava extends upward through the abdomen on the right side of the spine (vertebral column). After connecting with the hepatic veins, it passes through the diaphragm to reach the heart and enters the right atrium.

Varicosities or obstruction in the vena cava can lead to localized or systemic impairment of blood circulation and metabolism. Lesions in the superior vena cava may cause swelling of the upper body, shortness of breath, coughing, and other symptoms. Disorders of the inferior vena cava can result in leg pain, lower limb swelling, back pain, and similar manifestations. Individuals experiencing such symptoms should seek timely medical evaluation and treatment.

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