Microbiology Flashcards

1
Q

BAL Normal Diff

A

85% Monocytes/Macrophages
10-15% lymphs
<5% Epithelial
<3% Neutrophils
<1% eos

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2
Q

BAL - Lymphocytic Predominant DDx

A

> 15% Lymphocytes
CTD/CVD
COP
Drug induced
HP ( > 50% highly suggestive)
Lymphoproliferative dz
NSIP ( > 50% highly suggestive)
Sarcoidosis
Radiation

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3
Q

BAL - Neutrophilic Predominant DDX

A

> 3% Neutrophils
Aspiration
Asbestosis
ARDs/DAD
Bronchitis
CTDs
IPF
Infections

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4
Q

BAL- Eosinophilic Predominant

A

> 1% Eosinophils
Asthma
ABPA
BM Transplant
Drug induced
Eosinophilic Pneumonias (>25% highly suggestive)
Infections- Bacterial, fungal, helmith
pjp
Hodgkins

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5
Q

bal Lymphocyte >50%

A

Granulomatous disorder-
– sarcoid
– hp
– Beryllious
– NSIP
– Drug reaction
– LIP
– COP
– Lymphoma

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