8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lymphoproliferative disease ... #differential #diagnosis ... #causes #radiology ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
- Differential Diagnosis ... D D-lactate (short ... acidosis: - CNS ... restrictive lung disease ... #Summary #Nephrology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... affects the skin, neurologic ... tract, and often causes ... drug exposure or Dx ... chorioretinitis, CNS
Dix-Hallpike Maneuver for the Diagnosis of BPPV
The Dix–Hallpike test (Nylen Barany test) is a diagnostic maneuver
Dix-Hallpike Maneuver ... for the Diagnosis ... But in undefined cases ... #BPPV #neurology ... #PhysicalExam
Dix-Hallpike Maneuver for the Diagnosis of BPPV (Animated)

The Dix–Hallpike test (Nylen Barany test) is a diagnostic
Dix-Hallpike Maneuver ... for the Diagnosis ... But in undefined cases ... #BPPV #neurology ... #Animated #PhysicalExam
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... nodes • Roth’s spots ... Glomerulonephritis DDX ... Septic emboli cause ... #cardiology #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
nonspecific • DX ... Inhalation of spores ... especially the CNS ... MC: CNS CSF: • ... : • Serology for
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... DDX Tb meningitis ... low glucose) CNS ... Nausea & vomiting ... University Infectious Diseases