16 results
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Glomerulonephritis - Differential ... Diagnosis Framework ... Strauss) Anti-GBM ... Glomerulonephritis #differential ... #diagnosis #nephrology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
DIAGNOSTIC ... CRITERIA FOR ICL ... EBV. CMV. ... #diagnosis #hematology ... #Differential #
Lung Ultrasound for Diagnosing Pneumonia - Scan through 6 zones (3 per side) 1. Midclavicular line
Ultrasound for Diagnosing ... the diaphragm #Diagnosis ... #Peds #EM #PICU
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... granulomatosis: • EBV-associated ... CNS Lymphoma (CD4 ... Lesions #Brain #differential ... #radiology #neurology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Injury (AKI) - Differential ... Diagnosis Framework ... GN: ANCA, Anti-GBM ... , C3/C4, Other ... #Diagnosis #nephrology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Diagnosis Framework ... effect/Edema • EBV ... and <25% culture positive ... CNS #Infections #differential
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
(COVID19, CMV/EBV ... Illness Myopathy (ICU ... #Elevated #CK #differential ... #diagnosis #rhabdomyolysis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Diagnosis for Pulmonary ... : - ANCA-positive ... anti-ANCA ab, anti-GBM ... ab, ANA, C3, C4 ... #diagnosis #nephrology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... Auto-amplification loop Diagnosis ... Infections+++: Virus (EBV ... biologics (CMV +++, EBV ... of emergency, ICU
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Algorithm and Differential ... Diagnosis Baseline ... ANCA, ANA, Anti-GBM ... Anti-ds-DNA, C3/C4 ... #Diagnosis #nephrology