1. Proteinuria
In nephritis, the permeability of glomerular capillary wall increases so that the plasma albumin is filtered by basement membrane, and then proteinuria is produced.
2. Hypertension
Through regulating the metabolism of water and sodium, the kidney can affect the effective circulating blood volume, and produce renin which affects the renin-angiotension-aldosterone system, leading to hypertension.
3. Eyelid edema
Chronic nephritis may present with eyelid swelling. The patient's body will have excess water, which will cause this phenomenon of edema.
4. Tubular urine
Tubules are formed by coagulation and precipitation of albumin in urine, so in nephritis, there should be tubules in urine.
5. Anemia
Renal anemia is usually caused by dilution due to water retention; when the glomeruli are seriously damaged, erythropoietin is reduced and anemia occurs.
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