Pulmonology Flashcards
(31 cards)
What is included with PFTs?
Spirometry(FEV1 & FVC), lung volume, DLCO - diffusion capacity
FEV1/FVC, TLC & DLco with: Asthma
FEV1/FVC: normal/low
TLC: normal
DLco: normal/high
FEV1/FVC, TLC & DLco with: COPD
FEV1/FVC: low
TLC: high/normal
DLco: low
FEV1/FVC, TLC & DLco with: Fibrotic Disease
FEV1/FVC: normal/low
TLC: low
DLco: low
FEV1/FVC, TLC & DLco with: Extrathoracic Restriction(aka fat ass)
FEV1/FVC: normal
TLC: low
DLco: normal
Patients with OSA have a 2-3x increased risk of —.
MVA
T/F intranasal steroids can block growth of nasal polyps and may cause regression.
TRUE!
When classifying Asthma when does it go from intermittent to persistent?
intermittent <2d/week. Once >2d/week then its mild persistent(not daily)
When classifying asthma when does it become moderate persistent?
daily symptoms & at least once a week at night but not nightly
When classifying asthma when does it become severe persistent?
symptoms multiple times throughout the day, nighttime symptoms weekly & often every night.
Criteria for chronic bronchitis
chronic cough with phlegm for >3m for 2 consecutive years
Stage 1 COPD has an FEV1…
FEV1 >80%
Stage 2 COPD has an FEV1…
FEV1 50-79%
Stage 3 COPD has an FEV1…
FEV1 30-49%
Stage 4 COPD has an FEV1…
FEV1 <30%
FEV1/FVC in COPD?
FEV1/FVC <70%
Interstitial Lung Disease includes…
Idiopathic pulmonary fibrosis, sarcoidosis, etc
Pleural-to-Serum Protein Ratio, Pleural to serum LDH & pleural to fluid LDH in transudative pleural effusions
Pleural-to-Serum Protein Ratio: < 0.5
Pleural to serum LDH: < 0.6
pleural to fluid LDH: < 200
Pleural-to-Serum Protein Ratio, Pleural to serum LDH & pleural to fluid LDH in exudative pleural effusions
Pleural-to-Serum Protein Ratio: > 0.5
Pleural to serum LDH: >0.6
pleural to fluid LDH: >200
In order to tap pleural effusion must be greater than —.
> 1 cm on decubitus film
Pneumothorax that is —- of hemithorax & stable may be treated with supportive care only.
<15%
Pneumothorax that is —- of hemithorax will require drainage and placement of chest tube.
> 30%
Pulmonary Hypertension is defined as pulmonary artery mean pressure of —- with exercise.
> 25-30 mmHg
Common causes of pulmonary hypertension
OSA, Parenchymal lung disease, congenital heart disease, advanced liver disease, HIV, chronic thromboembolic disease, drug use