11 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • Pleuritic chest ... • CT: Halo sign ... consolidation or nodular ... #Infections #HIV
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary infections ... according to CT-scan ... galactomannan, HSV ... Patterns #Pulmonary #Lung ... Differential #Diagnosis #Chest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Low Attenuation Nodular ... Hypersensitivity Pneumonia ... HiRes #HighRes #Chest ... #CT #Patterns #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... identified, Strep pneumoniae ... failure, COPD, Lung ... CXR +/- High res CT ... chest scan), CBC
Pneumonia on Point of Care Ultrasound (POCUS)

Haitian woman fever, cough & this clip => PNA &
Pneumonia on Point ... & this clip => PNA ... hole of “truth” (CT ... #AirBronchogram ... #Lung #Pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
pulmonary diseases in HIV ... avium complex • Nodular ... Actinomyces spp., NHL; Lung ... tuberculosis Infectious ... differential #diagnosis #chestCT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... : Pneumonia • Autoimmune ... Epstein-Barr syndrome, HIV
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... cause: Aspiration pneumonia ... for Klebsiella pneumonia ... level seen • Chest ... CT Lung Abscess
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... , CCP, ANCA • HIV
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary ... mucogenicum • HIV ... Advanced HIV (CD4 ... • Dyspnea, • Chest ... Imaging, high res CT