DLCO in asthma?
normal or increased
DLCO in COPD? DLCO in ILD
decreased
can be normal in chronic bronchitis
DLCO in ILD?
low
normal Aa gradient
age/4+4 (estimate)
Eq to calc A-a gradient
FiO2 (Patm-47)- (PaCO2/.8)- PaO2
Wells criteria for PE
Sx of DVT-3
Hx of DVT/PE -1.5
Immobile -1.5
tachy- 1.5
post op (within 4wks)-1.5
Malignancy-1
Hemoptysis-1
PE most likely-3
=14
<4 low prob-->d dimer
>4- CT or V/Q
transudate effusion is caused by? `
increased PCWP and decreased oncotic P
Exudate is caused by?
increased vascular perm.
Light's criteria
transudative if:
LDH < 200
LDH eff/serum < 0.6
Protein eff/serum < 0.5
tension pneumo deviation?
opposite of pneumo
Small cell carcinoma paraneoplastic syndromes?
ACTH (Cushing syndrome)
SIADH
Lambert Eaton (ab against presynaptic Ca channels)
Adenocarcinoma of the lung?
clubbing from hypertrophic osteoarthropathy
SCC of the lung is associated with which paraneoplastic syndromes?
Hypercalcemia (PTHrP
H
...