15 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... PCR 50% sensitive ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... infection Diagnosis ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... infection Diagnosis ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... should be based on clinical ... enhancement on CT ... Demyelinating disease ... #Infections #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... Clinical Presentation ... - Mycoplasma, EBV ... younger pts) Differential ... Hemoglobinuria (PCH
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... basal ganglia, CNS ... +/- myocardial infarction ... Behcet syndrome (Clinical ... ) Differential Diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... • Common clinical ... Singh @rav7ks #CNS ... #Infections #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... Other tests: • CT ... confirm DAH, r/o infection ... seen on chest CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... seen • Chest CT ... Clindamycin in case of PCN ... Lung Abscess Differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
of right middle lobe ... : Clinical Manifestations ... • Clinical (Symptoms ... Imaging, high res CT ... #differential #