7 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... multiple lesions Infectious ... #differential #diagnosis ... #causes #radiology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Algorithm May ... tissue (previous MI ... • Fever/infection ... #Arrhythmias #Cardiology ... #Algorithm #causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... to exclude are infections ... oligoclonal bands • MRI ... tract, and often causes ... chorioretinitis, CNS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... Lymphadenopathy, CNS ... factor • May cause ... #differential #diagnosis
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Algorithm Central ... Infection ... Transient Myasthenia Gravis ... #Algorithm #Causes
Plantar fasciitis - MSK Radiology
Imaging Findings:
 • Thickening of the plantar fascia central band (measuring 9mm)
Case description ... flexor digitorum brevis ... Differential diagnosis ... fibromatosis: Nodular ... #diagnosis #msk
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
meningitis on T2 MRI ... Diagnosis? ... low glucose) CNS ... Nausea & vomiting ... drained at time of diagnosis