A patient is admitted to the emergency department with hemorrhaging from a blood vessel in their right arm. The blood is spurting and coming in waves, and it appears bright red in color. Identify which kind of blood vessel is hemorrhaging in this example, and explain the severity in comparison to bleeds from other blood vessel types.

The blood vessel hemorrhaging in this example appears to be an artery. This is the most severe type of bleed. Venous and capillary wounds are both less serious.

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Hemorrhagic injuries are usually classified into three categories. An arterial bleed, the most severe, originates in the arteries of the human body. The blood flowing out of the wound is often bright red, a result of the highly oxygenated blood that arteries carry away from the human heart to other...

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Hemorrhagic injuries are usually classified into three categories. An arterial bleed, the most severe, originates in the arteries of the human body. The blood flowing out of the wound is often bright red, a result of the highly oxygenated blood that arteries carry away from the human heart to other areas of the body. This type of wound spurts blood rapidly in tempo with the heartbeat, often resulting in severe blood loss. Anyone suffering from this type of injury should seek medical treatment immediately.

The second most severe bleeding injury is venous. Veins transport blood to the heart from the outer regions of the body; thus, venous blood is not highly oxygenated and will appear almost black in color. While the bleeding that characterizes this type of wound is less severe than that of an arterial bleed, flowing steadily rather than spurting, it still can be dangerous and requires treatment by a medical professional as quickly as possible to avoid significant blood loss.

The least concerning type of bleeding injury is a capillary wound. Capillary bleeding, characterized by a slow trickle of blood, is the most common type of wound or abrasion on the human body. The color of blood can vary depending on the distance to the heart, and the bleed is easy to control by applying slight pressure. While this type of wound may not always result in the need for professional medical care, it is still prudent to clean the area and cover it with a sterile bandage.

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