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Bleeding in the stomach and intestines, edema, dilated blood vessels Gastric antral vascular ectasia ( GAVE ) is an uncommon cause of chronic gastrointestinal bleeding or iron deficiency anemia . [ 1 ] [ 2 ] The condition is associated with dilated small blood vessels in the gastric antrum , which is a distal part of the stomach . [ 1 ]
The comb sign is characterized by the appearance of dilated, prominent vessels in the mesentery of the abdomen, which appears similar to the teeth of a comb. These engorged vessels result from inflammation and increased blood flow in the mesenteric vessels, which is a common response to acute or chronic inflammatory conditions in the gastrointestinal tract.
Gastric antral vascular ectasia, dilation of small blood vessels in the last part of the stomach. Telangiectasias are small dilated blood vessels found anywhere on the body, but commonly seen on the face around the nose, cheeks, and chin. Venous ectasia, dilation of veins or venules, such as: Chronic venous insufficiency, often in the leg
The presence of hypoproteinemia, decreased blood lymphocytes, and decreased cholesterol support the diagnosis. Hypocalcemia (low calcium) is also seen due to poor absorption of vitamin D and calcium, and secondary to low protein binding of calcium. Medical ultrasonography may show striations in the intestinal mucosa indicating dilated lacteals ...
Dilated blood vessels can also develop on the legs, although when they occur on the legs, they often have underlying venous reflux or "hidden varicose veins" (see Venous hypertension section below). When found on the legs, they are found specifically on the upper thigh, below the knee joint and around the ankles.
Coronary artery ectasia is a rare disease that occurs in only 0.3-4.9% of people in North America. Coronary artery ectasia is characterized by the enlargement of a coronary artery to 1.5 times or more than its normal diameter. [1]
Most patients with portal hypertensive gastropathy have either a stable or improving course in the appearance of the gastropathy on endoscopy.However, according to retrospective data, roughly one in seven patients with portal hypertensive gastropathy will develop bleeding (either acute or chronic) attributable to the gastropathy. [1]
When blood vessels dilate, the flow of blood is increased due to a decrease in vascular resistance and increase in cardiac output [further explanation needed]. Vascular resistance is the amount of force circulating blood must overcome in order to allow perfusion of body tissues. Narrow vessels create more vascular resistance, while dilated ...