13 results
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... immunofluorescence, PCR ... #CT #Patterns #Pulmonary ... #Lung #Infections ... ComputedTomography #Differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
• CD4 < 200: PCP ... failure, COPD, Lung ... Fungal, AFB), TB PCR ... sputum, PCP DFA ... diagnosis #evaluation #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... tuberculosis, Bacterial ... , and fever BACTERIAL ... Infections #HIV #AIDS #pulmonary ... #differential #
A lobar consolidation located cephalad to the diaphragm. The branching, hyperechoic air bronchograms define this consolidation.
#Clinical #EM #Radiology ... #PCC #POCUS #Lung ... #Sagittal #Pneumonia
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Actinomyces spp., NHL; Lung ... Consolidation: Pyogenic bacterial ... disease: Pyogenic bacterial ... #diseases #differential ... diagnosis #chestCT #radiology
Pulmonary Complications Following Stem Cell Transplant

For patients in the pre- engraftment period (day 0-30):
 - 
Pulmonary
- Idiopathic pneumonia ... CMV, adenovirus, bacterial ... mycobacteria, and fungal- PCP ... - Idiopathic pneumonia ... #Diagnosis #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Clindamycin in case of PCN ... Bacteria: - Bacteroides ... Abscess Differential ... #Abscess #pulmonary ... #differential #
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... - Lung neoplasms ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... lesions • 80% with lung ... Infectious: • Bacterial ... Lesions #Brain #differential ... diagnosis #causes #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... - Select Bacteria ... rarely typical pneumonia ... diagnosis #pulmonary