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| '''A'''rterial''' B'''lood '''G'''as
| | This category contains articles that are related to Arterial Blood Gas tests ([[ABGs]]). |
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| Select the '''worst deviation from normal''' Arterial Blood Gases (ABG) in the first 24 hours of ICU admission as outlined on the APACHE II scoring table. '''Do not use venous gases.'''
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| *an ABG result is preferred, but if no ABG available during the first 24 hours in ICU then select the worst '''[[serum CO2]]'''
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| FiO<sub>2</sub> ≤ 49% - Base your selection of the '''worst''' ABG on the '''worst''' PO2.
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| FiO<sub>2</sub> ≥ 50% - Base your selection of the '''worst''' ABG on the '''worst''' [[AaDO2]].
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| AaDO<sub>2</sub> Calculation:
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| (AaDO<sub>2</sub> is the arterial-alveolar O<sub>2</sub> tension difference) | |
| AaDO<sub>2</sub> = (Fi02 X 713) - PO<sub>2</sub> - CO<sub>2</sub>
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| e.g. (FiO<sub>2</sub> 0.5 X 713) - PO<sub>2</sub> 85-CO<sub>2</sub> 40 = AaDO<sub>2</sub> 231.5
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| *'''all arterial blood gas results ([[FiO2]], [[PO2]], [[CO2]] & [[PH]]) should be obtain from the same specimen'''.[[User:TOstryzniuk|TOstryzniuk]] 20:57, 5 March 2009 (CST)
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| *See [[APACHE Scoring table]]
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| This element is also collected for:
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| *[[Labs]] test counts
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| [[User:TOstryzniuk|TOstryzniuk]] 20:07, 5 March 2009 (CST)
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| {{stub}}
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| [[Category: APACHE II]]
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This category contains articles that are related to Arterial Blood Gas tests (ABGs).