35 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential Diagnosis ... Emboli, Fungal Infection ... ): • Chronic Infections ... , NTB, Fungal, Parasitic ... #Disease #Diagnosis
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
- Differential Diagnosis ... Framework Diagnosis ... Viral, Fungal, Parasite ... (daptomycin in lungs ... #Differential #Diagnosis
Lemierre’s Syndrome - Pathophysiology

Lemierre’s is an infectious thrombophlebitis of the internal jugular vein.

 - It starts
Lemierre’s Syndrome - Pathophysiology ... Lemierre’s is an infectious ... in the liver, lungs ... Lemierres #Syndrome #Pathophysiology ... #Diagnosis
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential Diagnosis ... • Infections: ... bacterial, fungal, parasitic ... Malignancy: Metastases (lung ... #Differential #Diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... , CNS, skin • Infectious ... Variable) - Fungal, parasites ... #differential #diagnosis ... #comparison #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Abscess Pathophysiology ... Abscess Diagnosis ... Coccidioides • Parasite
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... spp, Atypical infection ... Penicillium marneffei Parasitic ... failure, COPD, Lung ... HIVAIDS #workup #diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lesions • 80% with lung ... multiple lesions Infectious ... • Nocardia • Parasitic ... #differential #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... Opacities: • Infectious ... - Disseminated Parasites ... #differential #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Auto-amplification loop Diagnosis ... hemophagocytosis = additional diagnostic ... salmonella, ...), Parasites ... Lymphohistiocytosis #diagnosis