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Angioneurotic edema is actually a misnomer, as there are no known nervous components to its cause. Angioedema is similar to urticaria (hives), but the inflammation and fluid leakage occurs deeper in the dermis.

It has a few triggers, but all lead to capillary dilation and leakage of interstitial fluid into intercellular regions.

Hereditary Angioedema is usually by either a resistance to, or insufficient production of C1-inhibitor, which inhibits bradykinin: a vasodilator.

Allergic Angioedema is a result of a foreign substance that continuously activates the body's complement system: a mechanism of the innate immune system that helps clear pathogens from cells and intercellular space.

Drug induced Angioedema is usually caused by ACE inhibitors. ACE degrades bradykinin.

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Q: What causes angioneurotic edema?
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What is angioneurotic edema?

Angioneurotic edema, also known as angioedema, is a condition characterized by rapid and severe swelling under the skin or mucous membranes. It is typically caused by an allergic reaction, medications, or genetic factors. Common areas affected include the face, lips, tongue, throat, and genitals.


Types of edema?

There are several types of edema, including peripheral edema (swelling in the extremities), pulmonary edema (fluid accumulation in the lungs), cerebral edema (brain swelling), and macular edema (fluid buildup in the central part of the retina). Each type of edema can have different causes and require specific treatment approaches.


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Can high hydrostatic pressure cause peripheral edema?

Yes, increased hydrostatic pressure can lead to peripheral edema. It is caused by poor fluid reabsorption. There are several causes of peripheral edema including heart failure, pulmonary edema, nephritic syndromes, and lymphedema.


What causes edema that occurs during the inflammatory process?

Increased capillary permeability


What causes frothy white lung secretions?

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What is the relationship of sodium and edema?

Sodium can contribute to edema (fluid retention) by causing the body to retain water. High sodium intake can lead to an imbalance in fluid levels, resulting in swelling, particularly in the extremities. Restricting sodium intake can help reduce edema in individuals prone to fluid retention.


What is the differences between edema an swelling?

Just the spelling. The same thing that causes edema is the same thing that causes swelling. Raymond Zakhari, EdM, MS, NP-BC www.MetroMedicalDirect.com Primary Care Medical House Calls in New York City


What is the causes of edema?

Pulmonary edema is caused either because of direct injury to lung parenchyma or because of the heart's inability to function adequately which then later forces fluids into the air sacs of the lungs.