Difference between revisions of "COPD"
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=Grade and Group= | =Grade and Group= | ||
* GOLD grades 1-4 based on FEV1 % of predicted. | * GOLD grades 1-4 based on FEV1 % of predicted. | ||
| − | * GOLD group based on mMRC, number of | + | * GOLD group based on mMRC, number of exacerbations per year. |
=Exacerbation= | =Exacerbation= | ||
| + | * O2 administration improves oxygenation to areas of lung with '''low''' V/Q ratio | ||
* increase in sputum volume, purulence, and dyspnea | * increase in sputum volume, purulence, and dyspnea | ||
* severe: all 3 present | * severe: all 3 present | ||
Latest revision as of 17:34, 11 January 2023
Grade and Group
- GOLD grades 1-4 based on FEV1 % of predicted.
- GOLD group based on mMRC, number of exacerbations per year.
Exacerbation
- O2 administration improves oxygenation to areas of lung with low V/Q ratio
- increase in sputum volume, purulence, and dyspnea
- severe: all 3 present
- moderate: 2/3
- mild: 1 of the above, plus another finding such as URI, fever, cough, wheezing
- treatment depends on severity.
Treatment
- O2 goal 88-92%, because they are dependent on hypoxia for respiratory drive, since they are chronically hypercapnic.