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A member asked:
What changes in blood volume, blood potassium, urine volume and urine sodium would turn on the raa system?
A doctor has provided 1 answer
RAAS turn ons: The renin angiotensin aldosterone system is designed to maintain blood volume. It is turned on when there are actual fluid deficits, such as vomiting or dehydration, or deficits perceived by the kidney as those patients with congestive heart failure. As a result of increased activity of the RAAS, urine volume and sodium losses by the kidney decreases. High potassium is possible, as well.
Answered 12/5/2014
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