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Arterial Blood Gas

Arterial Blood Gas (ABG): Internal Medicine for the Ignorant

The respiratory and metabolic systems compensate for pH disturbances caused by acidosis or alkalosis. Arterial blood gases (ABG) determine pH, oxygen, and carbon dioxide levels. Interpretation involves identifying pH alterations and their respiratory or metabolic origins. Compensation mechanisms maintain homeostasis. Venous blood gases can be an alternative to ABG in certain conditions.

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