A29-year-old male with a history of cardiac valve disorder calls you to his hospital bed reporting chest pain. your thorough assessment reveals no emergency but symptomology consistent with his angina secondary to his mitral valve prolapse. you instruct him to lie flat and elevate his legs at a 90° angle for 3 to 5 minutes. what physical response does this nursing intervention facilitate?

The blood volume changes in the heart. Blood volume is dictated by the measure of water and sodium ingested, discharged by the kidneys into the pee, and lost through the gastrointestinal tract, lungs, and skin. The measures of water and sodium ingested and misfortune are very factor. To keep up blood volume inside an ordinary range, the kidneys control the measure of water and sodium lost into the pee.

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