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Diagnosing Acidosis and Alkalosis

Diagnosing Acidosis and Alkalosis

Diagnosing acid-base imbalances involves systematically analyzing arterial blood samples, focusing on three key measurements: pH, bicarbonate (HCO3−) concentration, and carbon dioxide partial pressure (PCO2). This analysis follows a four-step process that helps identify the imbalance's underlying cause and nature.
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...

Disorders of Acid-Base Balance

Disorders of Acid-Base Balance

The human body maintains a precise pH range of arterial blood between 7.35 and 7.45. Deviations result in either acidosis (pH < 7.35) or alkalosis (pH > 7.45). These conditions are further classified as respiratory or metabolic disorders based on their underlying cause.
Respiratory Acidosis and Alkalosis
Respiratory acidosis occurs due to an increase in the partial pressure of carbon dioxide PCO2 in the blood. It often arises from shallow breathing or impaired gas exchange caused by...

Acid-Base Balance

Acid-Base Balance

The human body maintains a narrow pH range regulated through acid-base balance. This balance is crucial as changes in the hydrogen ion concentration can disrupt cell membrane stability, alter protein structures, and change enzyme activities. The normal pH of arterial blood is 7.4, venous blood and interstitial fluid is 7.35, and intracellular fluid averages 7.0.
When the pH of arterial blood rises above 7.45, it results in a condition called alkalosis. Conversely, a drop below 7.35 leads to...

Renal Regulation of Acid-Base Balance

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Acute Respiratory Failure-III

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Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...

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Related Experiment Video

Updated: Oct 16, 2025

Assessment of the Metabolic Profile of Primary Leukemia Cells

Published on: November 21, 2018

Metabolic Acidosis in Leukemia.

Jaskamal Padda¹, Khizer Khalid¹, Varsha Kakani¹

¹Internal Medicine, JC Medical Center, Orlando, USA.

|October 18, 2021

Summary

The Warburg effect, a metabolic abnormality causing lactic acidosis, is linked to leukemia. This study explores its proposed theories and molecular mechanisms in leukemia development.

Keywords:

atp synthesis lactic acidosis leukemia metabolic acidosis warburg effect

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Area of Science:

Oncology
Cancer Metabolism
Hematologic Malignancies

Background:

Leukemia incidence and mortality present a significant global health burden.
Leukemia is a leading cause of cancer-related death in children.
The Warburg effect, a metabolic shift towards lactic acidosis, is observed in malignancies, particularly hematologic ones like leukemia.

Purpose of the Study:

To elucidate the proposed theories behind the Warburg effect in cancer.
To detail the molecular mechanisms driving lactic acid production in leukemia.
To enhance the understanding of the Warburg effect's role in leukemia.

Main Methods:

Literature review of proposed Warburg effect hypotheses.
Analysis of molecular pathways involved in leukemia metabolism.
Identification of key enzymes (PKM2, LDHA, PDK1, FGFR1) implicated in the Warburg effect in leukemia.

Main Results:

The Warburg effect is a recognized metabolic abnormality associated with leukemia.
Four primary theories explain the Warburg effect: cell signaling, ATP synthesis, biosynthesis, and the tumor microenvironment.
Specific enzymes like PKM2, LDHA, PDK1, and FGFR1 are crucial for Warburg effect manifestation in leukemia.

Conclusions:

The Warburg effect's precise role in leukemia pathogenesis requires further investigation.
Understanding the molecular mechanisms of lactic acid production in leukemia is critical.
Further research into the Warburg effect may reveal novel therapeutic targets for leukemia.