Fluid & Electrolytes

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Course Details

The Fluid & Electrolytes Course eliminates the confusion and content overwhelm when learning about fluid balance in the body and the most common electrolytes. We break down where fluid is stored in the body, how and why it moves between those places, and the different types of IV fluid solutions we can give patients. We also talk about the most important electrolytes, their role in the body, and what happens when they’re too high or too low. We break all of it down and make it easy to understand, you’ll be a fluid & electrolytes expert in no time.

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Course Info

Lessons: 13

Cheat Sheets: 41

Questions: 107


Jon Haws, RN, BS, BSN, CCRN Alumnus

Nichole Weaver, RN, MSN/Ed, CCRN

Brad Bass, RN, ASN

Course Lessons

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Key Fluid & Electrolytes Nursing Lessons

Lesson 01.01 – Fluid Compartments

In this lesson, you will learn about the different compartments including intracellular, extracellular, interstitial, and intravascular.  You will also be able to define different types of fluids and modes of transport for fluid and electrolytes including diffusion, facilitated diffusion, and osmosis.

Lesson 02.01 – Potassium K (Hyperkalemia, Hypokalemia)

After this lesson you will be able to identify what potassium is, the role it plays in the body, what a patient with hyperkalemia or hypokalemia looks like, and how to treat the different disorders in your patients. 

Lesson 01.04 – Isotonic Solutions

In this lesson you will gain an understanding of the osmolarity of isotonic solutions and different types like 0.9% normal saline, lactated ringers, and D5W.  You will be able to identify the indications for use, contraindications, and specific patient education for isotonic solutions.