70 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
-cell count is less ... -cell count more ... status, and focal neurologic ... Demyelinating disease caused ... InfectiousDiseases #Neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Investigations: full blood count ... osmolarity If cause ... Anti-ds-DNA, C3/C4 ... , HIV serology, ... #causes
Important causes of diarrhea in people with HIV/AIDS
Severity, chronicity/persistence will depend On CD4 count & sites
Important causes ... will depend On CD4 ... count & sites of ... Differential #Diagnosis #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Prior platelet count ... practices that could cause ... decreased PLT count ... (CVID, WAS), (neurologic
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... differential #diagnosis #causes ... #radiology #neurology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
Decreased CD4 ... counts and a raised ... CD4+/CD8+ ratio ... Women • ~20% of cases ... Men • ~50% of cases
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Membranoproliferative • ↓C4 ... Cryoglobulinemia • Normal C3/C4 ... differential #diagnosis #nephrology ... #causes
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
an identifiable cause ... The cause is unknown ... #Bells #Palsy #neurology ... #anatomy #pathophysiology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
average settings • Causes ... climbing the Andes or Mount ... gas equation • Causes ... respiratory drive due to neurologic ... • Most common cause
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
exposure to allergen causes ... -> Particular CD4 ... Allergy #Immunology #pathophysiology