13 results
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... Mucormycosis, Cryptococcus ... #Concurrent #Differential
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... Mucormycosis, Cryptococcus ... #Concurrent #Differential
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess - Differential ... negative culture Brain ... , Cryptococcus, ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... Brain and Lung Infections ... Mucormycosis, Cryptococcus ... #Concurrent #Differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
- Negative: Cryptococcus ... Paecilomyces, Cryptococcus ... BAL GM does not differentiate ... decreased with: concurrent ... Clav (may be + as long
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... histoplasmosis, cryptococcus ... , and aspergillus ... RingEnhancing #Lesions #Brain ... #differential #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
CD4 < 200: PCP, Aspergillus ... (Histoplasma, Cryptococcus ... failure, COPD, Lung ... ABG, BDG, Serum Cryptococcal ... diagnosis #evaluation #differential
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Coccidioides spp., Cryptococcus ... C.neoformans, Aspergillus ... Actinomyces spp., NHL; Lung ... C.neoformans, R.equi, Aspergillus ... pulmonary #diseases #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... pneumonia (PJP), MAI, Cryptococcal ... since cART) Aspergillus ... nodules, plaques) Cryptococcus ... AIDS #pulmonary #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
antibiotics once stable ... shows a small, stable ... Dermatitidis - Cryptococcus ... Abscess Differential ... Abscess #pulmonary #differential