For other uses, see Competition. Competitiveness pertains to the ability and performance of a firm, sub-sector or country to sell and supply goods and services in a given market, in relation to the ability and performance of other firms, sub-sectors or countries in the same market. 1 Firm competitiveness.
What causes hyponatremia (low blood sodium)? A low sodium level in the blood may result from excess water or fluid in the body, diluting the normal amount of sodium so that the concentration appears low.
Hyponatremia is decrease in serum sodium concentration 136 mEq/L caused by an excess of water relative to solute. Common causes include diuretic use, diarrhea, heart failure, liver disease, renal disease, and the syndrome of inappropriate ADH secretion (SIADH).