Correlation Between Peripheral and Central Venous Blood Partial Pressure of Carbon Dioxide in Critical Ill Patients

Correlation Between Peripheral and Central Venous Blood Partial Pressure of Carbon Dioxide in Critical Ill Patients

Observational study to analyze correlation between partial pressure of carbon dioxide from blood obtained from peripheral and central veins

Inclusion Criteria:

• All patients admitted to institutional ICU with central venous catheter in place
• Venous blood gas analysis ordered

Exclusion Criteria:

• Central venous catheter malposition
• Difficult peripheral venous access