16 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
Systemic Sclerosis Associated Autoantibodies
Anti-topoisomerase I (anti-Sc170): Diffuse skin disease, Pulmonary fibrosis
Anti-centromere: Limited skin disease (~93-95%), Pulmonary
Diffuse skin disease ... , Pulmonary fibrosis ... (~93-95%), Pulmonary ... crisis, Rapid progressive ... Autoantibodies #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive ... With associated pulmonary ... Disease (Goodpasture's ... RPGN #Rapidly #Progressive ... #differential #diagnosis
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
presented with progressive ... consistent with a diagnosis ... PhysicalExam #Clinical #Video ... #ALS #Neurology ... #NEJM
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
Rapidly Progressive ... of glomerular disease ... + • c-ANCA: anti-proteinase ... #Differential #Diagnosis ... #Nephrology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... 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 ... ANCA antibody, Anti-GBM ... Path: rapidly progressive
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... proteinuria, Rapidly progressing ... affects the skin, neurologic ... is 50 years • Progressive ... immune GN (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
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