Arterial Blood Gas (ABG) Interpretation Calculator

Take help of the Arterial Blood Gas Interpretation Calculator and find out a person is in metabolic acidosis, metabolic alkalosis, respiratory alkalosis, respiratory acidosis, or is normal. Just enter the inputs like pH, paCo2, HCO3 and click on the calculate button to see how well a person is oxygenated in no time.

Arterial Blood Gas (ABG) Interpretation Calculator: Are you seeking help with regards to Arterial Blodd Gas Analysis Interpretation then use our online ABG Interpretation Calculator. It gives you complete insight into the details like What are Arterial Blood Gases, How to Perform an ABG Analysis, What are ABG Normal Values and a lot more necessary for ABG Interpretation.

What is an Arterial Blood Gas?

Arterial Blood Gas is a kind of blood test that measures the oxygen levels, carbon dioxide, bicarbonate levels in the blood. It even denotes the pH of the blood giving an assessment of acid base balance in the body.


How to Perform ABG Analysis?

Follow the simple steps listed below to perform ABG Analysis and do the best treatment for your patient. They are as such

  • Firstly take an Arterial Blood Sample
  • Next step is to make sure if the pH is alkalosis or acidosis.
  • And then find out if the issue is respiratory or metabolic.
  • Finally, check if the results are compensated or uncompensated.

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What is Acid Base Balance?

Acid base in general is used for knowing the degree of acidity or alkanalinity in human body using the pH Scale. pH Scale in general ranges from 0 to 14 where 0 being acidic where 14 being alkaline. Doctors usually perform a test to evluate a patient's acid base by performing a test to identify the carbondioxide, bicarbonate levels in the arterial blood. This test is known as Arterial Blood Gas.

Types of Acid Base Disorders

There are 4 different types of acid base disorders and each one will create a different imbalance in the body. These are essential to do the Arterial Blood Gas Interpretation and they are explained below

Respiratory Acidosis
Acute < 7.35 > 45 Normal
Partly Compensated < 7.35 > 45 > 26
Compensated Normal > 45 > 26
Respiratory Alkalosis
Acute > 7.45 < 35 Normal
Partly Compensated > 7.45 < 35 < 22
Compensated Normal < 35 < 22
Metabolic Acidosis
Acute < 7.35 Normal < 22
Partly Compensated < 7.35 < 35 < 22
Compensated Normal < 35 < 22
Metabolic Alkalosis
Acute > 7.45 Normal > 26
Partly Compensated > 7.45 > 45 > 26
Compensated Normal > 45 > 26

FAQs on Online Arterial Blood Gas Interpretation Calculator

1. What are normal ranges for ABG?

The normal ranges of ABG are

  • pH: 7.35-7.45
  • Partial Pressure of Oxygen (PaO2): 75-100 mmHg
  • Partial Pressure of Carbon Dioxide (PaCO2): 35-45 mmHg
  • Bicarbonate (HCO3-): 22-26 mEq/L
  • Oxygen Saturation (SpO2): 94-100%


2. What is pH in ABG?

pH is nothing but the measured acid base balance of the blood.


3. What is an Arterial Blood Gas?

ABG is a blood test that denotes the levels of carbondioxide, bicarbonates and oxygen in blood.