Which symptom is characteristic of arterial occlusion?

Claudication is a key symptom associated with arterial occlusion, particularly in the context of peripheral artery disease. This condition arises when there is a narrowing or blockage of the arteries due to atherosclerosis or other vascular issues, leading to reduced blood flow to the extremities.

When the muscles in the legs or arms do not receive sufficient oxygen-rich blood during physical activity, such as walking or exercise, individuals may experience claudication – a cramping sensation or pain. This pain typically occurs in the affected limb and is alleviated by rest, as the body requires less oxygen when it is at rest. The intermittent nature of this symptom is a hallmark of arterial occlusion.

In contrast, other symptoms like edema, elevated temperature, or hyperemia are more indicative of conditions involving venous issues or inflammatory processes rather than direct arterial obstruction. Edema tends to result from fluid accumulation often seen in venous insufficiency. Elevated temperature may indicate infection or inflammation, while hyperemia indicates increased blood flow often due to vasodilation, which is not consistent with the symptoms of arterial occlusion. Therefore, claudication distinctly aligns with the lack of blood supply typical of arterial blockages.