30 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... abscess, Necrotizing ... Septic Emboli, Fungal ... Infections: TB, NTB, Fungal ... lesion #pulmonary #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
and Aspergillus Galactomannan ... Polysaccharide cell wall component ... ) Aspergillus Galactomannan ... BAL GM does not differentiate ... Clav (may be + as long
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Culture Negative Abscess ... - Differential ... Culture #Negative #Abscess ... #Differential # ... Diagnosis #InfectiousDiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Pathophysiology ... Lung abscess ... Prevotella • Fungal ... Abscess Differential
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... VZV, CMV, HIV • Fungal ... tuberculosis, M. abscessus ... #dermatology #InfectiousDiseases ... Diagnosis #viral #fungal
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Hemoptysis Differential ... Parenchyma: Pneumonia, Lung ... abscess, Tuberculosis ... , Fungal infection ... #Hemoptysis #Differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Ring-Enhancing Lesions - Differential ... Infections: Cerebral abscess ... (bacterial, fungal ... Malignancy: Metastases (lung ... Enhancing #Lesions #Differential
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... - pulmonary abscess ... (TB, fungal, staph ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Beta-D-Glucan and Galactomannan ... • Cell wall component ... of many fungi ... in BAL does not differentiate ... result in + as long
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Granuloma • Abscess ... Infection: • Fungal ... Malformation #Lung ... #Nodule #Differential