45 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Infectious: ... #differential #diagnosis ... #causes #radiology ... #neurology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
- Differential Diagnosis ... / Erythematous lesions ... borders of lips Infectious ... #Pustular #SkinRash ... #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... - Differential Diagnosis ... should be based on clinical ... Demyelinating disease caused ... #diagnosis #AIDS
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Blastomycosis Skin Lesion ... Diagnosis? ... Indiana University Infectious ... Blastomycosis #SkinRash ... #dermatology #clinical
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... ) • Infection ( ... encephalitis) • Brain lesions ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
INCREASES 8-10 BPM INFECTIOUS ... Beta Blockers • CNS ... Lesions • Lymphomas ... • Drug Fever CLINICAL ... #Dissociation #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... hemorrhagic skin lesions ... SLE) - Viral infections ... deficiencies - PNH ... #hematology #rheumatology
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... Caused by saprophytic ... lipid-dependent yeasts Clinical ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
- Differential Diagnosis ... Influenza, EBV, PNA ... Rhabdomyolysis, Critical ... #Differential #Diagnosis ... #causes #neurology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
Raised, boggy lesion ... purulent nodules Caused ... fungal ringworm infection ... mentagrophytes) Clinical ... #Diagnosis #Management