Venous return: The process of systemic venous tube blood flow back to the right atrium, systemic venous system of blood volume is very large, accounting for more than half of the total blood, veins easy to expand, but also can contract, so it plays the role of blood storage inventory. So what are the factors that affect venous return? The following Xiaomai will summarize for you: (1) static...
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What is the symptom of common hemorrhoids? 1, pain: simple hemorrhoids generally have no pain, and sometimes you may feel the anal bulge or difficulty defecating. If incarceration occurs, there is ulceration and necrosis, causing inflammation and edema of the anal margin, the pain is severe, and the patient will be restless. 2, itching: due to secretions or prostration of hemorrhoidal nucleus stimulation, so that the anus is wet.
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Varicose veins, commonly known as "fried tendon legs", is the most common disease of the venous system, especially in recent years, the incidence trend of this disease is younger, so that small Mai deeply worried ah, today small Mai will introduce the causes of varicose veins and precautions to help everyone do a good job of prevention. 1, physiological factors (1) vein...
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When it comes to phlebitis, many people do not know what disease this is, the full name of phlebitis is thrombotic phlebitis, is an acute inflammation of the veins and blood vessels. So what are the symptoms of phlebitis, how to check phlebitis, what is the treatment of phlebitis, let\'s take a look. Intravenous input strong irritation, high...
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