20 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • CT: Halo sign ... #Infections #HIV ... #differential #diagnosis
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest CT ... Reverse Halo Sign ... Organizing Pneumonia ... #CTChest #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... interstitial diffuse infections ... This patient had ... partially seen shred sign ... NOT definitively diagnose
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... rarely typical pneumonia ... #pulmonary #CXR ... #clinical #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... HIVAIDS #workup #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... - Lung neoplasms ... - Chronic post-infection ... #Diagnosis #Radiology ... #Pulmonary #CXR
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... This patient had ... the differential diagnosis ... #Clinical #Radiology ... #CXR #Peripheral
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
inhibitors • Injection ... Tuberculosis Diagnosis ... assay (IGRA) • PPD ... and Culture • CXR ... disease • Check CXR