Many people, however, must cope with this sensation on a daily basis. This condition, called intermittent claudication, results from blocked arteries in the pelvis, thighs, or calves and most often is caused by atherosclerosis, commonly known as hardening of the arteries. Heart Center Circulatory problems come in many other forms as well, such as varicose veins. Most can be treated effectively at home and in consultation with a doctor. In severe cases, though, a corrective surgical procedure may be appropriate.
Blood circulates through the body via a complex system of vessels.
Red blood cells in your blood carry oxygen from the lungs to the rest of the body. Circulatory problems arise when these vessels become blocked or overly constricted. Such interruptions in normal blood flow can be brought on by a variety of conditions. Weakened arterial walls, for example, can balloon out and form pockets called aneurysms that trap blood. Veins can stretch, causing their internal valves to malfunction and to become varicose veins, and vascular disease can cause vessels to constrict.