Arterial blood gas (APACHE): Difference between revisions

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== Collection Instructions ==
== Collection Instructions ==
Enter available blood gases following usual [[APACHE physiological variable collection]] instructions (worst ones only if you are sure) into the '''[[#ABG Helper]]''' in [[CCMDB.mdb]]'s APACHE tab. Pick the ABG that has the highest score.  
Enter available blood gases following usual [[APACHE physiological variable collection]] instructions (worst ones only if you are sure) into the '''[[#ABG Helper]]''' in [[CCMDB.accdb]]'s APACHE tab. Pick the ABG that has the highest score.  


'''All arterial blood gas results ([[FiO2]],  [[PO2]],  [[CO2]] & [[PH]]) must be from the same specimen'''.
'''All arterial blood gas results ([[FiO2]],  [[PO2]],  [[CO2]] & [[PH]]) must be from the same specimen'''.


An ABG result is preferred, but if '''no''' ABG available during the first 24 hours in ICU then select the worst '''[[Serum CO2]]'''. '''Do not use [[Venous blood gas|venous gases]].'''
An ABG result is preferred, but if '''no''' ABG available during the first 24 hours in ICU then select the worst '''[[Serum CO2]]'''. '''Do not use [[Venous blood gas (labs)|venous gases]].'''


IF [[FiO2]] ≤ 49% - Base the selection of the '''worst''' ABG on the '''worst''' [[PO2]].
IF [[FiO2]] ≤ 49% - Base the selection of the '''worst''' ABG on the '''worst''' [[PO2]].
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=== ABG Helper ===
=== ABG Helper ===
There is an ABG helper in the [[CCMDB.mdb]], opened with the [[ABG Helper button]]. You can enter two or more blood gas values and the program will show the number of APACHE points each value generates, whether it is the [[PO2]], [[AaDO2]] or the [[pH]]. Choose the individual blood gas that gives the most APACHE points. Only one complete blood gas can be used; do not pick a pH from one blood gas and other values from another blood gas.
There is an ABG helper in the [[CCMDB.accdb]], opened with the [[ABG Helper button]]. You can enter two or more blood gas values and the program will show the number of APACHE points each value generates, whether it is the [[PO2]], [[AaDO2]] or the [[pH]]. Choose the individual blood gas that gives the most APACHE points. Only one complete blood gas can be used; do not pick a pH from one blood gas and other values from another blood gas.


=== ABGs as part of apnea tests ===
=== ABGs as part of apnea tests ===
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== See also ==
== See also ==
* [[Venous blood gas]]  
* [[Blood gas, venous]] CCI
* [[Blood gas, arterial]] CCI
* [[Arterial blood gas (labs)]]
* [[Arterial blood gas (labs)]]
* [[Venous blood gas (labs)]]


[[Category:APACHE II Physiological Variables]]
[[Category:APACHE II Physiological Variables]]
[[Category:ABG| *]]
[[Category:ABG| *]]