Symptoms Of Acute Nephritis

High Blood Pressure

High blood pressure is a common symptomatic indication of an individual affected by acute nephritis. The nephrons respond to hormones when the blood pressure becomes too high or too low. The nephrons do this by transporting sodium, which induces the transportation of fluids. When the blood pressure becomes too elevated, healthy functional nephrons increase the output of sodium and fluids through the urine. When salt and fluids are removed from the blood, the extracellular fluid volume decreases. With less fluid taking up space in the blood vessels, the pressure on the blood vessel walls is then reduced. However, acute nephritis patients have nephrons that do not function well in response to hormones. This malfunction results in the kidneys retaining too much fluid and salt, which increases the extracellular fluid volume. The increased fluid volume causes an increase in blood volume, which boosts the venous blood return to the heart. This mechanism increases cardiac output from the heart, effectively raising the patient's blood pressure.

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