63 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Diagnosis and Workup ... Septic Emboli, Fungal ... : TB, NTB, Fungal ... #Disease #Diagnosis
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... Brain and Lung Infections ... Toxoplasmosis • Fungi ... #Infections #Concurrent
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Diagnosis by Distribution ... Pneumoconiosis, Infectious ... (viral, TB, fungal ... BrighamChiefs #Lung
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
M.kansasii, MAC) Fungal ... > 200: Endemic fungi ... failure, COPD, Lung ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... Diagnosis: • Non-Infectious ... bacteria: Viral, Fungal ... (daptomycin in lungs ... Antibiotic #Failure #Differential
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Cough - Diagnostic ... Schema Infectious ... ILD Malignancy: Lung ... Atypical Infxn (fungal ... Acute #Chronic #Differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Ring-Enhancing Lesions - Differential ... DiagnosisInfections ... abscess (bacterial, fungal ... Malignancy: Metastases (lung ... #Diagnosis #neurology
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Hemoptysis Differential ... Diagnosis Framework ... Parenchyma: Pneumonia, Lung ... Tuberculosis, Fungal ... infection, Paragonimiasis
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... cut-offs defined in clinical ... BAL GM does not differentiate ... decreased with: concurrent ... Galactomannan #diagnosis
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... pulmonary embolus I = infection ... pulmonary abscess (TB, fungal ... bronchogenic cyst #Diagnosis ... Cavitary #Lesions #Differential