21 results
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
- Differential ... Diagnosis Framework ... - Double Positive ... (ANCA + anti-GBM ... Diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Renal Syndromes ... : - ANCA-positive ... anti-ANCA ab, anti-GBM ... #Syndrome #differential ... #diagnosis #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Abdominal Compartment Syndrome ... Emboli, Thrombosis, Vasculitis ... GN: ANCA, Anti-GBM ... , C3/C4, Other ... #Diagnosis #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... Glomerulonephritis / Vasculits ... ANCA, ANA, Anti-GBM ... Anti-ds-DNA, C3/C4 ... #Diagnosis #nephrology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Diagnosis Algorithm ... Hypertension, ICH ... malformation, Aneurysm, Vasculitis ... vasoconstriction syndrome ... #Causes #neurology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
DIAGNOSTIC ... chemotherapy) • Genetic syndromes ... EBV. CMV. ... #diagnosis #hematology ... #Differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... - Compatible syndrome ... granulomatosis: • EBV-associated ... Lesions #Brain #differential ... #radiology #neurology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Origin (FUO) - Differential ... Diagnosis • Infection ... Lemierre's syndrome ... Brucellosis, Q fever, EBV ... Solid tumors: Renal
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... palpable purpura 2/2 vasculitis ... antibody, Anti-GBM ... usually low in anti-GBM ... #Syndromes #differential
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Viruses (HSV, EBV ... Miller-Fisher GBS; Positive ... Rhombencephalitis #Differential ... #Diagnosis #Causes ... #Neurology