11 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Haverhill fever caused ... Rash is usually ... of necrotizing vasculitis ... comparison #table #differential
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Infectious Mono (EBV ... Noninfectious: SJS/TEN, Erythema ... Sweet syndrome, Vasculitis
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... Emboli, Thrombosis, Vasculitis ... GN: ANCA, Anti-GBM ... Diagnosis #nephrology #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... • Limited to Kidney ... involvement: Anti-GBM ... Glomerulonephritis #Vasculitis ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... Polyarteritis Nodosa: - Kidneys ... mucositis - Rash ... Kidneys -> glomerulonephritis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... Glomerulonephritis / Vasculits ... ANCA, ANA, Anti-GBM ... imaging #Acute #Kidney
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... Infectious: Influenza, EBV ... Bacteremia, Sepsis • Kidneys ... PMR, RA, SLE, Vasculitis ... #Diagnosis #causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... musculoskeletal systems • Kidneys ... , mucositis • Rash ... tract, and often causes ... pain and GN Anti-GBM
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... papules, blotch erythema ... +/- psoriatic rash ... juvenile gangrenous vasculitis ... #differential #
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
virus • CMV • EBV ... Maculopapular rash ... 10 weeks after erythema ... - History of erythema ... • Uveitis • Rash