13 results
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... - Differential Diagnosis ... hemorrhage + rapidly progressive ... Vasculitis - Anti-GBM ... Positive (ANCA + anti-GBM
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive ... pathophysiologic causes ... With associated pulmonary ... Disease (Goodpasture's ... RPGN #Rapidly #Progressive
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Weakness • Cardio-pulmonary ... disease • Anemia ... Lead toxicity • Progressive ... Peripheral #Weakness #Neurology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis) Anti-basement ... life-threatening diseases ... Inflammatory eye disease ... Goodpasture's cause ... Path: rapidly progressive
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Borrelia (Lyme Disease ... ; Positive for anti-ganglioside ... encephalomyelitis - Progressive ... #Differential #Diagnosis ... #Causes #Neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
proteinuria, Rapidly progressing ... affects the skin, neurologic ... is 50 years • Progressive ... immune GN (rapidly progressive ... tract, and often causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Chronic progressive ... kidney disease ... Nonsteroidal anti-inflammatory ... #differential #diagnosis ... #causes #nephrology
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
Anti-GIomeruIar ... resulting in rapidly progressive ... hemorrhage Diagnosis ... Goodpastures #AntiGBM #diagnosis ... #nephrology #pulmonary
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... proteinuria, rapidly progressing ... tract, and often causes ... glomerulonephritis) • Anti-GBM ... Urticarial Vasculitis (anti-C1q
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Prevalence: 1-2 cases ... Syndrome: • Progressive ... poisoning, Parkinson's disease ... Baclofen • Severe Disease ... Management #treatment #neurology