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2. Chronic venous insufficiency - Wikipedia

   en.wikipedia.org/wiki/Chronic_venous_insufficiency

   The most common cause of chronic venous insufficiency is reflux of the venous valves of superficial veins. [2] This may in turn be caused by several conditions: Deep vein thrombosis (DVT), that is, blood clots in the deep veins. Chronic venous insufficiency caused by DVT may be described as postthrombotic syndrome. DVT triggers an inflammatory ...

3. Heart failure - Wikipedia

   en.wikipedia.org/wiki/Heart_failure

   Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]

4. Vascular disease - Wikipedia

   en.wikipedia.org/wiki/Vascular_disease

   Venous insufficiency is the most common disorder of the venous system, and is usually manifested as either spider veins or varicose veins. Several treatments are available including endovenous thermal ablation (using radiofrequency or laser energy), vein stripping, ambulatory phlebectomy, foam sclerotherapy, laser, or compression. [citation needed]

5. Edema - Wikipedia

   en.wikipedia.org/wiki/Edema

   Phlebetic lymphedema (or phlebolymphedema) is seen in untreated chronic venous insufficiency and is the most common type of edema (approx. 90%). [14] It is a combination venous/lymphatic disorder that originates in defective "leaky" veins that allows the blood to back flow (venous reflux), slowing the return of the blood to the heart (venous ...

6. Pathophysiology of heart failure - Wikipedia

   en.wikipedia.org/wiki/Pathophysiology_of_heart...

   The main pathophysiology of heart failure is a reduction in the efficiency of the heart muscle, through damage or overloading. As such, it can be caused by a wide number of conditions, including myocardial infarction (in which the heart muscle is starved of oxygen and dies), hypertension (which increases the force of contraction needed to pump blood) and cardiac amyloidosis (in which misfolded ...

7. List of ICD-9 codes 390–459: diseases of the circulatory system

   en.wikipedia.org/wiki/List_of_ICD-9_codes_390...

   428 Heart failure. 428.0 Congestive heart failure unspecified; ... 459.81 Venous insufficiency, unspec. This page was last edited on 9 February 2024, at 17 ...