Blood Sample Collection for Blood Gas Analysis

How to Cite This Chapter: Oczkowski S, Jankowski M, Szułdrzyński K. Blood Sample Collection for Blood Gas Analysis. McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. Accessed July 07, 2020.
Last Updated: July 16, 2019
Last Reviewed: July 16, 2019
Chapter Information

Blood gas analysis is testing the arterial or arterialized capillary blood (the latter is less reliable) or less frequently venous blood or blood obtained during cardiac catheterization to assess the acid-base balance and gas exchange.


Diagnostics and monitoring of treatment in (1) respiratory failure; (2) acid-base disturbances.

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