37 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential ... diagnosis #causes #radiology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Lesions - Differential ... Diagnosis • Infections ... Malignancy: Metastases (lung ... Demyelinating Disease ... Diagnosis #neurology #radiology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... diarrhea • ... lymphocytic interstitial lung ... and M panel Management ... hematology #diagnosis #management
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse Lung ... cell arteritis Infectious ... #Diagnosis #Radiology ... #Pulmonology #Differential ... Causes #Diffuse #Lung
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Disease Diagnosis ... rural → Geographic disease ... association • How long ... → Travelers' diarrhea ... #differential #
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute diarrhea ... Parasitic infections ... Systemic disease ... #management #algorithm ... workup #diagnosis #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM) Infections ... Factors For NTM Infections ... infections • ... liver enzymes, diarrhea ... #differential #
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Diagnosis Infectious ... : EGPA, Horton Disease ... , Takayasu Disease ... - Metastatic: Lung ... Diagnosis #Causes #cardiology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Diseases • Acute ... , wt loss; CV, CNS ... , skin • Infectious ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... polymicrobial infection ... Abscess Management ... Abscess Differential ... Abscess #pulmonary #differential