5 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
disease: Pleuritic chest ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest ... treatment until the chest
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Lobar pneumonia ... nodular interstitial lung ... Diagnosis #Radiology #CXR
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... Low serum IgG level ... DDX - Other causes
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... not seen on a CXR ... Most commonly caused ... #Lung #Pulmonary