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Chronic venous insufficiency (CVI) is a medical condition characterized by blood pooling in the veins, leading to increased pressure and strain on the vein walls. [1] The most common cause of CVI is superficial venous reflux, which often results in the formation of varicose veins, a treatable condition. [2]
Catheter ablation may be recommended for a recurrent or persistent arrhythmia resulting in symptoms or other dysfunction. Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [1] Pulmonary vein isolation by transcatheter ablation can restore sinus ...
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When the valves of perforator veins become incompetent they can cause venous reflux when the muscles contract. This has been explained by Mark Whiteley as "active venous reflux". [4] The resulting reflux can cause a rapid deterioration in an existing varicose disease and be responsible for the development of venous ulcers.
Radiofrequency ablation is a minimally invasive procedure used in the treatment of varicose veins. It is an alternative to the traditional stripping operation. Under ultrasound guidance, a radiofrequency catheter is inserted into the abnormal vein and the vessel treated with radio-energy, resulting in closure of the involved vein.
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Other symptoms are nonspecific and result either from the consequences of muscle tissue breakdown or from the condition that originally led to the muscle breakdown. [ 3 ] [ 4 ] [ 10 ] Release of the components of muscle tissue into the bloodstream causes electrolyte disturbances, which can lead to nausea , vomiting , confusion , coma or ...
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