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May 13, 2025

Body Fluids & Electrolytes | Introduction to Fluid & Electrolyte Balanace

15 minutes

Build a rock-solid foundation in fluid and electrolyte balance as we unpack compartment distribution, passive and active transport, hormonal regulation, and the vital role of osmolality—core knowledge every nurse needs for both NCLEX prep and real-world clinical care.

Chapters

(00:00) - Introduction

(00:50) - Defining Electrolytes and Milliequivalents

(01:54) - Body Fluid Compartments Explained

(02:43) - Intracellular vs. Extracellular Fluids

(03:30) - Third Spacing and Clinical Relevance

(04:28) - Edema vs. Third Spacing

(05:13) - Body Water Composition by Age

(06:07) - Movement of Fluids – Diffusion, Osmosis

(07:13) - Capillary Dynamics and Filtration

(08:27) - Lymphatic System and Edema

(08:48) - Osmolality and Plasma Concentration

(09:50) - Active Transport Mechanisms

(10:29) - Fluid Intake – Sources and Volumes

(11:02) - Fluid Output – Kidneys and Insensible Loss

(12:14) - Hormonal Control – Aldosterone and ADH

(13:17) - Final Recap and NCLEX Relevance

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By MedSimu