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Edema is not necessarily nephritis, how to diagnose nephritis?

2018-04-23 15:25

Acute glomerulonephritis has a history of respiratory or cutaneous streptococcus infection 1 to 3 weeks before the onset of acute glomerulonephritis, such as pharyngitis, tonsillitis, scarlet fever, purulent skin diseases. Chronic patients are mostly found during physical examination. Mild to moderate edema, high blood pressure and renal dysfunction are most common. May have mild nausea and vomiting, dyspnea, itching and fatigue. The early symptoms are not obvious. If it is found that sudden sensation of edema in the face and lower extremities persists, go to the hospital as soon as possible.

Edema is not necessarily nephritis, how to diagnose nephritis?

Therefore, a lot of people have edema, all think of nephritis. In fact, in the outpatient "edema", not all of the nephritis. So what is the cause of edema?

Reduction of plasma colloid osmotic pressure. This condition is due to malnutrition, insufficient intake of absorbed protein and insufficient energy to provide normal physical activity of the body. People with large amounts of proteinuria need to pay more attention because of kidney problems. When the amount of protein in plasma drops to a certain degree, the plasma colloidal osmotic pressure decreases, the probability of edema is great, and it is often systemic edema.

Hydrostatic pressure in capillaries increased. Increased hydrostatic pressure in the capillaries is also a major contributor to edema, and the cause of this condition is mainly due to venous obstruction or venous obstruction. Because the venous reflux in the humoral circulation is blocked and the pressure of fluid in the capillary increases, there will be hydrops or edema in the corresponding part of the blocked fluid. Liver cirrhosis causes edema of the gastrointestinal wall is one of them. In addition, in patients with heart failure, the resulting vena cava backflow disorder may also cause edema, but also, is systemic.

Capillary wall permeability increased. Also due to capillaries, the permeability of the capillary wall increases, making the circulation of the body fluid obstructed. Active substances in the blood vessels such as histamine, kinins, and bacterial toxins all increase the permeability of the capillary walls. The edema of inflammatory lesions is caused by this reason, and the damaged part of the blood vessel wall is a high-risk area where edema occurs. This is the case for angioneurotic edema, which is commonly found in parts with problematic blood vessel walls.

Lymphatic reflux is blocked. The flow of lymph is a major part of the body fluid circulation. When the lymphatic circulation is destroyed, the probability of edema is very high. For example, after radical mastectomy, the part of the lymph nodes are removed and the local lymphatic circulation is damaged, which may cause edema in the side of the upper limb.Some other diseases, if they make the lymphatic vessels block or create other problems that cause obstruction of the lymphatic flow, often cause local edema.

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