8 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... in particular) Evaluation ... : Imaging (CXR ... +/- High res CT ... chest scan), CBC
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... a parenchymal consolidation ... #Sign #CT #Lung ... #Pulmonary #diagnosis
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
Lung infarction ... In pulmonar embolism ... On the CT we can ... Clinical #Radiology #CXR ... LungInfarct #Infarct #PulmonaryEmbolism
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
emboli usually present ... CT demonstrates ... lesions than the chest ... which are probably consolidations ... Clinical #Radiology #CXR
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... surrounded by a crescentic ... circumferential denser consolidation ... #CT #Lung #Pulmonary
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... periphery of the lung ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Count: Any CD4 ... pain may be present ... • CT: Halo sign ... dyspnea • Lobar consolidation ... Infections #HIV #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Nasal polyps and signs ... centrilobular nodules, or consolidation ... in the adjacent lung ... CT) • Broncho-arterial