Fluid and Electolyte Imbalances

by Joanna Jackson

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    Hi, I'm Joanna Jackson and we're going to review Fluid and Electrolyte Imbalances. Many students find fluid and electrolyte imbalances some of the most difficult content you have to learn. Here are some tips to help you conquer this material. Review lab values, immediately before the test begins. Write them down on a blank piece of paper or the dry erase board that you're given as soon as the test starts. Make up funny or quirky acronyms about medications or processes that will help you remember them. For example, the nursing process can be remembered as ADPIE. Assess, diagnose, plan, implement and evaluate. Here are some key terms. Listen for these terms throughout this lesson, write the definition, and practice using these words in sentences, and visualize using them as a nurse. Hypovolemia. This is a fluid imbalance. Hypovolemia is a fluid volume deficit, meaning not enough fluid. It is a serum concentration of less than 135 mEq/L. It occurs when there's an excess of extracellular water relative to sodium. Some signs and symptoms are fatigue, confusion, a headache, abdominal cramps and nausea. If left untreated, it can lead to seizures, coma, or even death. This is most easily remembered as being caused by gastrointestinal losses, sweating, hemorrhages, diuretics, or third spacing. The exact opposite of hypovolemia is hypervolemia. This occurs when there's a deficit of extracellular water relative to sodium. The serum concentration for hypervolemia is greater than 160 mEq/L. Some signs and symptoms of hypervolemia include tachycardia, hypertension, tachypnea, dyspnea, crackles in the lungs, edema and weight gain. Causes include excessive sodium intake, burns, abnormal renal function, and heart failure. Now let's compare and contrast. Hypervolemia means too much. Hypovolemia means too little. Both are related to the serum concentration of sodium within the body, and both are...

    About the Lecture

    The lecture Fluid and Electolyte Imbalances by Joanna Jackson is from the course Physiological Integrity. It contains the following chapters:

    • Fluid and Electrolyte Imbalances
    • Electrolyte Imbalances

    Author of lecture Fluid and Electolyte Imbalances

     Joanna Jackson

    Joanna Jackson

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