7 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... Urine Histo Ag, Respiratory ... diagnosis #evaluation #differential
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... oxygen level and high ... edema - filling ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Hypersensitivity Pneumonitis, Respiratory ... Hemorrhage, Edema • Consolidation ... #pulmonary #radiology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
anti-GBM ab, ANA, C3, C4 ... , anti-CCP • CXR ... infiltrates) → high ... resolution chest ... CT • Bronchoscopy
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... centrilobular nodules, or consolidation ... Diagnosis: • HRCT (high-resolution ... chest CT) • Broncho-arterial ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Aspergillosis • High ... • CT: Halo sign ... dyspnea • Lobar consolidation ... Infections #HIV #AIDS #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Advanced HIV (CD4 ... • Dyspnea, • Chest ... Symptoms, Imaging, high ... res CT) • Exclusion ... NTM #Infections #differential