Radiology - Pneumonia Flashcards
pneumonia is usually diagnosed by what radiologic image?
chest x-ray
on CXR, bacterial pneumonia usually presents as?
lobar consolidation
the minor fissure separates the ____ lobe from the ____ lobe, and is located?
RUL from RML; located as a horizontal line in the center of the right lung
an indication that the infiltrate is in the lower lobe?
heart shadow is visible and unaffected; diaphragm may be difficult to detect
how far down should the intubation tube be placed?
2cm above carina
infection of the RML will have the following appearance on CXR?
fuzzy right heart border, lateral film shows anterior infiltrate
bilateral pneumonia is frequently due to?
aspiration
visible air bronchograms on CXR suggest that the infiltrate is in the ____ lobes
lower
on CXR, viral pneumonia presents as?
patchy ground glass opacities or faint nodules
fungal pneumonia often presents as?
solid nodules or dense bulky opacities (look like tumors)
the air pressure sign in an immunocompromised pt is suggestive of…
invasive aspergillosis
on CXR, PCP appears as?
faint diffuse bilateral ground opacities (or normal)
appearance of primary TB on CXR
usually lobar with adenopathy and effusions
appearance of secondary TB on CXR
nodular opacity, cavitation (usually upper lobes)
appearance of TB in an HIV+ patient may change as?
CD4 drops
