17 results
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Pneumonitis, RB-ILD ... Infectious (viral, TB, fungal ... BrighamChiefs #Lung ... #Nodules #Differential
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Autoimmune Vasculitis, ILD ... Malignancy: Lung ... Atypical Infxn (fungal ... Acute #Chronic #Differential
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential ... Pneumonitis • Treatment ... BrighamChiefs #ILD ... #interstitial #lung
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Infectious (Variable) - Fungal ... #Eosinophilic #Lung ... Diseases #pulmonary #differential ... #diagnosis #comparison
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Polysaccharide cell wall component ... BAL GM does not differentiate ... Clav (may be + as long ... setting of GVHD) ID ... Galactomannan #diagnosis #comparison
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... ConnectiveTissueDiseases #ILD ... CTILD #Diagnosis #Differential ... #Comparison #Table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
hemorrhage • Treatment ... several months of treatment ... Prevotella • Fungal ... Abscess Differential ... Abscess #pulmonary #differential
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... GI, lung, skin), ... ascariasis), Scabies, Fungi ... IBD Stanford Internal ... #Eosinophilia #Differential
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... bacteria: Viral, Fungal ... Immunocompromise Treatment ... (daptomycin in lungs ... • Secondary to Treatment
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
• Cell wall component ... of many fungi ... in BAL does not differentiate ... result in + as long ... closely related fungi