37 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... #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 ... Patterns #Pulmonary #Lung ... #Differential # ... Diagnosis #Chest
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
healthy pt with fever ... Differential Bilat ... interstitial diffuse infections ... NOT definitively diagnose ... #ultrasound
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Diagnosis of Miliary ... rarely typical pneumonia ... #differential # ... CXR #clinical #CT
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... sweats, chills (infection ... refer + order CT
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... gram-negative pneumonia ... or lung abscess ... #Patterns #Differential ... #Diagnosis #intermittent
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Differential Diagnosis ... Viral: Measles, Infectious ... Bacterial: Mycoplasma pneumoniae ... #Rash #Differential ... #Diagnosis #dermatology
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 ... Low serum IgG level
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... decubitus - air fluid level ... seen • Chest CT ... Abscess Differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... failure, COPD, Lung ... CXR +/- High res CT ... HIVAIDS #workup #diagnosis ... #evaluation #differential