Pulm: ILD Flashcards
What is the most common cause of ILD?
idiopathic
This class of pulmonary disorders cause progressive scarring of lung tissue
ILD
This disease is a process of fibrosis and aberrant healing response. It is NOT infectius
ILD
A patient presents with the following:
Progressive DOE
Persistent non-productive cough
ILD
What two signs/sxs are uncommon in ILD?
wheezing, CP
What is the duration of sxs for the following ILDs?
Acute idiopathic interstitial pneumonia
eosinophilic pneumonitis
hypersensitivity pneumonitis
Cryptogenic organizing pneumonia
Acute (days/weeks)
What is the duration of sxs for the following ILDs?
Sarcoidosis
Alveolar hemorrhage
Cryptogenic organizing pneumonia
Connective tissue disease
Subacute (weeks/months)
What is the duration of sxs for the following ILDs?
IPF
Sarcoidosis
Pulmonary langerhans cell histiocytosis
Chronic hypersensitivity pneeumonitis
Chronic (months-years)
Digital clubbing is a sign usually associated with _______
advanced disease
Erythema nodosum can be seen in what type of ILD?
sarcoidosis
Grottron’s papules can be seen in what type of ILD?
dermatomyositis
What lung sound is usually heard with ILD and where?
crackles at lung bases
What specialties should be involved in diagnosing ILD?
pulmonology
radiology
pathology
What imaging and diagnostic test are used to diagnose ILD?
HRCT
Tissue biopsy
What three signs present on CXR indicate ILD?
ground glass
reticular opacity
honeycombing
Honeycombing indicates a _______ prognosis
poor prognosis
What is the most common finding on CXR in ILD?
reticular opacity
On HRCT, you notice the distribution of disease in the upper zones of the lungs. This indicates what etiology?
inhalation related diseases (except asbestosis)
On HRCT, you notice the distribution of disease among the lower zones, this indicates…
IPF, connective tissue dz, asbestosis
What serologic studies can be ordered to rule out subclinical autoimmune disease?
ANA, RF ,CCP
What serologic studies would be useful for pulmonary hemorrhage or suspicious systemic symptoms/vasculitis?
ANCA
antiphospholipid Abs
Antistreptococcal Abs
Describe the results of PFTs in ILD (TLC, FEV-1, FVC)
Decreased TLC
Decreased FEV-1 and FVC
FEV-1/FVC ratio normal/increased
What PFT is sometimes the only finding of early ILD?
Decreased DLCO
What results can be expected on ABG with ILD?
hypoxemia
Respiratory alkalosis
What is the gold standard for dx of ILD?
lung biopsy
What is the contraindication to lung biopsy?
honeycombing
What are the three types of lung biopsy?
Transbronchial
Surgical biopsy
EBUS-TBNA
For what suspected condition should EBUS-TBNA be performed?
sarcoidosis
Transbronchial biopsy is helpful to biopsy what locations?
central
Which condition has the following characteristics?
MC ILD
Age > 50
Male
TOBB use
Idiopathic pulmonary fibrosis