11 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... heart failure, COPD ... Evaluation: Imaging (CXR ... diagnosis #evaluation #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... allopurinol), Infection ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #CT #Patterns #Differential ... #Diagnosis #pulmonary
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
proteinosis, but later ... Organizing pneumonia (COP ... /BOOP) - Infection ... Bronchoalveolarca (BAC) - Pulmonary ... Clinical #Radiology #CTChest
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... aspergillosis; AIS ... adenocarcinoma in situ; COP ... interstitial pneumonia; OP ... hypersensitivity pneumonitis, infection
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... obstruction • COPD ... Physical stigmata of cor ... Laboratory: • ANA, RF, CCP ... #differential #
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... organizing pneumonia (OP ... proteinaceous material ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... EGPA • ESR and CRP ... confirm DAH, r/o infection ... • Echocardiogram ... Renal #Syndromes #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... necrosis (7-14 days later ... Blood cultures • CXR ... Lung #Abscess #pulmonary ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • Pleuritic CP ... #HIV #AIDS #pulmonary ... #differential #