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Occupational Pulm Disorders
PA CLin Med
55
Health Care
Graduate
09/28/2009

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Cards

Term
Beryllium
Definition
Dz in workers in fluorescent light faqctories & nuclear weapoin industry
Term
pathophysiology of occupational lung disease:
Definition
inflammation and fibrosis
Term
respiratory Sx of occupational lund dz
Definition
cough, dyspnea, wheezing, clubbing, cyanosis, breath sounds(crackles)
Term
occupational lung dz tests:
Definition
CXR, HRCT, PFT, BAL
Term
ASbestosis:
Definition
pulmonary fibrosis caused by inhalation of asbestos
Term
asbestos was greatly used from ____ - ____
Definition
1877-1967
Term
asbestos + smoking =
Definition
59X to get malignant mesothelioma
Term
dose dependant sx appear __yrs after exposure.
Definition
20yrs
Term
clinical manifestations of asbestosis: (6)
Definition
1. MOST COMMON: exertional dyspnea
2. nonproductive cough
3. nonspecific chest discomfort
4. clubbing
5. bibasilar crackles: persistent dry
6. cor pulmonale: cyanosis, jug v distension, pedal edema
Term
CXR w asbestsis shows:
Definition
infiltrates most prominenet at lung bases, shagy heart borders
Term
PFT in asbestosis shows a __________ pattern
Definition
restrictive
Term
Asbestosis Tx 4:
Definition
1. medications not effective
2. O2 therapy
3. immunizations; flu, s pneumo
4. prompt antobiotic for infections
Term
oldest known occupational Dz
Definition
silicosis
Term
where does silica come from
Definition
naturally occuring mineral silicone dioxide, quarts is the most common form; others are sandstone, slat and shale
Term
with silicosis there are increased risks for _____________ infections
Definition
mycobacterium
Term
silicosis may be reponsible for the development of ____ primarily in the form of _________
Definition
responsible for COPD primarily emphysema
Term
which systemic dz are silicosis pts at risk for developing?
Definition
RA
Term
who is at risk for silicosis?
Definition
miners, construction workers, ceramic workers, tunnel drillers, sandblasters, quarry workers, stone
Term
pathophys of silicosis:
Definition
phagocytosis of material and assoc inflammation lead to destruc of lung parynchema and fibrosis from the continual rebuilding of the tissue from fibroblasts
Term
Key sign in pathology study of silicosis:
Definition
onion skin surrounded by inflammitory cells, dust ladened macrophages, silica crystals in polarized light
Term
silicosis s/Sx
Definition
asymptomatic
exertional dyspnea
PRODUCTIVE COUGH
pleuritic chest pain
fever wieght loss malaise
clubing is UNCOMMON
Term
PFT results for silicosis:
Definition
mixed obstructive/restrictive patterns
Term
pt with silicosis should have a ___ test done
Definition
PPD
Term
silicosis Tx:
Definition
no tx cures or alters the dz
corticosteroids may be helpful in acute silicosis
supplimental O2
lung txplnt
Term
which occupational lung dz has linear opacities on CXR?
Definition
asbestosis
Term
which occupational lung dz has nodular opacities on CXR
Definition
silicosis
Term
if you suspect occupational lung dz and pt has a normal CXR but abnormal PFT the next move is:
Definition
HRCT
Term
highest potentials for berylliosis are:
Definition
nuclear power, aerospace, electronic industries
Term
which internal factor plays a a major role in the exposure to beryllium and the develoment of berylliosis?
Definition
genetic predisposition seems to play a major role
Term
which immune cells are assoc with berylliosis pathophys?
Definition
T cells accumulation
Term
which type of immune rxn is seen in berylliosis:
Definition
delayed hypersensativity rxn
Term
most comon sx of berylliosis:
Definition
sudden onset dyspnea
Term
6 Sx of berylliosis:
Definition
1. cough
2. chest pain
3. athralgia
4. fatigue
5. weight loss
6. dyspnea sudden onset
Term
signs of berylliosis:
Definition
inspiratory crackles
lymphadenopathy
dermatitis
hepatosplenomegaly
Term
blood test for berylliosis:
Definition
beryllium lyphocyte proliferation test
Term
CXR in berylliosis:
Definition
50% are normal
hilar adenopathy &/or increased interstitial markings
Term
HRCT of berylliosis:
Definition
ground glass opacities, parenchymal nodules
Term
PFT of berylliosis:
Definition
obstructive in 40%, restrictive in 20%
Term
BAL in berylliosis shows:
Definition
lymphocytosis
Term
berylliosis histiologic studies show
Definition
noncaseating granulomas on lung bx
Term
2 major Dx criteria for berylliosis:
Definition
1. evidence of sensitization to beryllium: BeLPT, BAL
2. nonnecrotizing granuloma on lung bx
Term
berylliosis Tx
Definition
no controlled study therapies are avail.
corticosteroids may be benefitial
if corticosteroids fail: methotrexate
O2 therapy
lung txplnt
Term
commonalities in Tx btwn occupational lung dz:
Definition
O2 therapy
corticosteroids may be helpful
no real tx/cure
Term
key words: shaggy heart border
Definition
asbestosis
Term
key words:restrictive PFT
Definition
asbestosis
Term
quartz
Definition
silicosis
Term
key word: COPD
Definition
silicosis
Term
Key word: honeycombing
Definition
advanced asbestosis
Term
key words: Sx >20yrs
Definition
asbestosis
Term
key words: mixed PFT
Definition
silicosis
Term
key words: productive cough
Definition
silicosis
Term
increased risk for RA
Definition
silicosis
Term
key words: genetic predisposition
Definition
beryliosis
Term
key words: polarized crystals
Definition
silicosis
Term
key word: hepatosplenomegaly
Definition
berylliosis
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