PCO2

PCO2 is a term used in medicine to refer to the partial pressure of carbon dioxide (CO2) in the blood. It is a key indicator of respiratory function and is often measured in blood gas analysis.

Overview

The normal range for PCO2 in the human body is typically between 35 to 45 mmHg. A higher than normal PCO2 level may indicate hypercapnia, while a lower than normal level may indicate hypocapnia. Both conditions can be serious and may require medical intervention.

Measurement

PCO2 is typically measured using a blood gas analysis. This test measures the amount of oxygen and carbon dioxide in the blood, as well as the acidity (pH) of the blood. It is often performed in a hospital or laboratory setting.

Clinical significance

Changes in PCO2 levels can indicate a variety of health conditions. For example, a high PCO2 level can indicate that the body is not removing enough carbon dioxide, a condition known as respiratory acidosis. On the other hand, a low PCO2 level can indicate that the body is removing too much carbon dioxide, a condition known as respiratory alkalosis.

See also

• Blood gas analysis
• Hypercapnia
• Hypocapnia
• Respiratory acidosis
• Respiratory alkalosis

PCO2 Resources
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