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COPD (Dx: PFT
low FEV1/FVC
low FEV1
no reversability (Tx: SABA prn,…
COPD
Dx: PFT
- low FEV1/FVC
- low FEV1
- no reversability
-
COPD exacerbation?
Dx:
- CXR
- ABG
- EKG
(all rule outs)
-
Tx: Abx
- Doxycycline :bicyclist:
- Azithromycin (long QT risk)
Everyone needs:
Bronchodilators
- albuterol or metered dose inhalers
- ipratroprium if severe
Steroids
- PO (prednisone)
- IV (methylprednisolone) if severe
Monitor for response
- O2 (88-92%)
- duonebs (albuterol/ipratroprium) q30min
- steroids
:check:Gets better
- 1 more item...
:green_cross:Gets worse
- rising CO2
- confusion
- absence of wheese/lung sounds
- 1 more item...
:green_cross:Needs more time
- pt gets admitted to the floor (wards)
- 1 more item...
Tx: SABA prn
(Pretest FM): ipratropium is 1st line
-
COPDER mnemonic
Corticosteroids (in order of severity)
- ICS
- PO steroids
- IV steroids
O2
- SPO2 < 88%, PaO2 <55
- excretion or at rest
- Goal : 88-92%
:pencil2:Goal not 100%, COPD pts need hypoxic drive to keep breathing. In intubated patient, 100% O2 will be hard to remove ventilator.
- give O2 in acute setting
- scale back to 88-92%
Prevention
- Influenza shot /year
- PNA shot <65yo. >65yo (1x before and after)
- smoking cessation :no_smoking:
-
Dilators
- short acting (tiotropium/albuterol)
- long acting (LAMA/LABA)
- orals (Theophylline/PDE4i)
Rehab
- improves exercise capacity, not mortality
Dx at <18y: Asthma
Dx at 65y: COPD
All COPD are smokers (environment)
- Obstructive lung disease
- older person
Bronchitis
- inflammation of airways
- decrease in O2 (cyanosis/hypoxemia)
- lung vasoconstriction (increased resistance = PAH and RHF :<3:)
- RHF and edema (Blue bloaters)
- can have w/ emphysema
Emphysema
- CO2 retention (loss of alveoli)
- no change in O2 (no cyanosis/hypoxemia)
- increased AP diameter
- resistance takes time to overcome interthoracic pressure (prolonged expiration)
- pursed lips (pink puffers)