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Electrolyte Academy
Electrolyte Academy
Description
Book Introduction
For those who complain that they don't know much about fluids and electrolytes, the fact that there are so many exceptions and rare things covered in professional books can be confusing.
For beginners or those who feel unfamiliar with fluids and electrolytes, it would be best to first thoroughly delve into the principles (with some exceptions).
So, in this book, we focus on clear descriptions, reducing exceptions and rare cases that contradict the principles.
In that sense, it may not be correct as an academic book, but it focuses on practicality.

Additionally, typical fluid and electrolyte textbooks begin to explain electrolyte abnormalities that can be used clinically only after a sudden surge in physiology.
Anyone seeking clinically relevant knowledge today has to travel quite a distance.
Academically, it would be better to proceed in the order of physiology → pathophysiology → treatment, but this book is structured to consider cases of electrolyte imbalance as much as possible, and to return to physiology when necessary. The important thing in treating fluids and electrolytes is to be careful not to get the vector direction wrong, but not to obsess over the size of the vector.
The human body has a homeostasis maintenance mechanism.
Therefore, there is no major failure as long as the direction of treatment (e.g., should Na be supplemented or restricted here) is not wrong.
Specifically, how many grams to put in is the next step.
There are various estimation formulas, but since they are just estimations, it is meaningless to be too obsessed with them.
Rather, as long as the direction is not wrong, I think it would be better to assess the situation every day (by looking at data or physical examination), evaluate whether it is a little lacking or a little excessive, and then make corrections.
This book gave me strength in the part that says, "Never get the direction of treatment wrong."

index
Theme 01 Na and water metabolism abnormalities

Lecture 1: Approach to Hyponatremia
1-1 Approach to hyponatremia
1-2 Estimation of extracellular fluid volume


Lecture 2: Treatment of Hyponatremia
2-1 Symptoms of hyponatremia
2-2 Treatment of hyponatremia
2-3 Approach to Hyponatremia with Volume Depletion



Lecture 3 SIADH
3-1 What is SIADH?
3-2 Mechanism of action of ADH
3-3 Regulation of plasma osmotic pressure
3-4 Causes of SIADH
3-5 Diagnosis of SIADH
3-6 SIADH treatment
3-7 Vasopressin receptor antagonist



Lecture 4 Hyperosmolar Hyponaemia and Pseudohyponaemia
4-1 Hyperosmolar hyponatremia
4-2 Pseudohyponatremia


Lecture 5: Approaches to Diagnosing Hyponatremia
5-1 Approach to Diagnosis of Hyponatremia
5-2 Relationship between water and Na



Lesson 6 Hypernatremia
6-1 Mechanisms to prevent hypernatremia
6-2 Symptoms of hypernatremia
6-3 Hypernatremia diagnostic approach
6-4 Treatment of hypernatremia


Lesson 7 Diabetes Insipidus
7-1 What is diabetes insipidus?
7-2 Treatment of diabetes insipidus
7-3 Approach to Diagnosis of Polyuria



Theme 02 K or higher

Lecture 1: Pathophysiology of K-metabolism
1-1 K in vivo dynamics
1-2 K is the major ion in cells
1-3 K regulatory mechanism
1-4 Factors that regulate K movement into and out of cells
1-5 K secretion in the kidney


Lecture 2 Hyperkalemia
2-1 Symptoms of hyperkalemia
2-2 K concentration and electrocardiogram changes
2-3 Approach to Diagnosis of Hyperkalemia
2-4 Emergency treatment for hyperkalemia
2-5 Chronic treatment of hyperkalemia



Lecture 3: Hypokalemia 1
3-1 Symptoms of hypokalemia
3-2 Diagnostic Approaches to Hypokalemia


Lecture 4: Hypokalemia 2
4-1 Treatment of hypokalemia
4-2 Bartter syndrome / Gitelman syndrome


Lecture 5: Physiology of Regulation of Renal Tubular K Excretion (Advanced)
5-1 Control of K excretion in the renal tubules
5-2 Let us consider the conditions that cause hypokalemia and hyperkalemia.


Theme 03 Ca·P·Mg or more

Lecture 1: Basics of Ca and P Metabolism
1-1 Ca metabolism
1-2 P Ambassador
1-3 Factors that regulate Ca P


Lecture 2 Hypercalcemia
2-1 What is hypercalcemia?
2-2 Diagnosis of hypercalcemia
2-3 Treatment of hypercalcemia


Lecture 3: Hypocalcemia
3-1 What is hypocalcemia?
3-2 Diseases causing hypocalcemia
3-3 Approaches to Diagnosis of Hypocalcemia
3-4 Treatment of hypocalcemia



Lecture 4 Hyperphosphatemia
4-1 What is hyperphosphatemia?
4-2 Diagnosis of hyperphosphatemia
4-3 Treatment of hyperphosphatemia


Lecture 5: Hypophosphatemia
5-1 What is hypophosphatemia?
5-2 Diagnosis of hypophosphatemia
5-3 Treatment of hypophosphatemia


Lecture 6: Magnesium Metabolism Disorders
6-1 Basics of Mg Metabolism
6-2 Hypermagnesemia
6-3 Hypomagnesemia



Theme 04 Acid-Base Balance Abnormalities

Lecture 1: Basics of Acid-Base Equilibrium
1-1 Production and excretion of acid
1-2 pH is determined by the lungs and kidneys.
1-3 Compensatory action

1-4 Differences between acidosis, alkalosis and acidosis, alkalosis
1-5 Stepwise analysis of blood gases

Lecture 2: Metabolic Acidosis 1
2-1 Anion gap (AG)
2-2 AG increased metabolic acidosis
2-3 Diabetic ketoacidosis


Lesson 3: Metabolic Acidosis 2
3-1 Lactic acidosis


Lesson 4: Metabolic Acidosis 3
4-1 AG is decreasing


Lesson 5: Metabolic Acidosis 4
5-1 AG normal metabolic acidosis
5-2 Urine anion gap


Lesson 6: Metabolic Acidosis 5
6-1 Renal tubular acidosis (RTA)
6-2 Acidosis in chronic renal failure


Lesson 7 Metabolic Alkalosis
7-1 Pathophysiology of metabolic alkalosis
7-2 Diagnosis of metabolic alkalosis
7-3 Treatment of metabolic alkalosis


Lesson 8: Mixed Acid-Base Equilibria 1


Lesson 9: Mixed Acid-Base Equilibria 2
9-1 Aspirin poisoning
9-2 △AG and △HCO3-


Theme 05 Basics of Sap Therapy

Lesson 1: Fundamentals of Fluid Therapy
1-1 Is sap difficult?
Memorize the 1-2 2+3 sap formula.

Lesson 2: Basic Fluid Preparation
2-1 The basic fluid is saline solution and 5% glucose solution.
2-2 Where does the sap go?

Chapter 3 Other Infusion Preparations
3-1 Intro

3-2 Plasma expander
3-3 Extracellular fluid replenishment solution
3-4 No. 1 to No. 4
Why is the 3-5 3rd liquid called a maintenance liquid?


Lesson 4: Amount and speed of sap
4-1 Supplemental fluids
4-2 Fluid volume standard for dehydration
4-3 Maintenance Sap
4-4 In/Out sheet of water and electrolyte
4-5 Feedback


Quick reference

1.
Diagnostic Approach to Hyponatremia
2.
Treatment of hyponatremia
3.
Diagnostic Approach to Hypernatremia
4.
Approach to diagnosing polyuria
5.
Approach to Diagnosing Hyperkalemia
6.
Emergency treatment for hyperkalemia
7.
Approach to diagnosing hypokalemia
8.
Approach to diagnosing hypokalemia
9.
Approach to diagnosing hypocalcemia
10.
Approach to Diagnosis of Hyperphosphatemia
11.
Approach to diagnosing hypophosphatemia
12.
A Step-by-Step Approach to Blood Gas Analysis
13.
Memorize the composition of basic fluid preparations.
GOODS SPECIFICS
- Date of issue: September 16, 2025
- Page count, weight, size: 200 pages | 148*210*20mm
- ISBN13: 9791193883808
- ISBN10: 1193883806

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