![]() ![]() Other measurements in the electrolyte panel include chloride, potassium, and carbon dioxide. PurposeĪ blood sodium level is usually drawn as part of a larger panel of electrolytes. When blood sodium levels get too low, the condition is called hyperkalemia. When blood sodium levels get too high, the condition is called hypernatremia. ![]() The mechanism of thirst is another important way that blood sodium levels are controlled as small as a 1% increase in blood sodium level will prompt thirst, which initiates drinking behavior and serves to drop the elevated blood sodium level. The hormones responsible for stimulating the processing of sodium in the kidneys are called natriuretic peptides, which prompt the kidneys to excrete sodium into the urine and out of the body aldosterone, which prompts the kidneys to hold onto or resorb sodium and antidiruetic hormone or ADH, which prompts the retention of fluids in the bloodstream, thus increasing the amount of water in the bloodstream and diluting the blood sodium level. The body keeps its sodium levels in equilibrium by prompting the kidneys to resorb more (when the body needs sodium) or excrete more (when there is excess sodium). For the body to function normally, blood sodium levels have to be maintained at a very narrow range when sodium levels are too high or too low, serious health consequences can result. Sodium is primarily found in bodily fluids and blood. Sodium is a mineral that is found throughout the body and is crucial (along with other electrolytes) to the appropriate balance of fluid in the body. ![]()
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