15 results
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Syndromes and Mimics - Differential ... ANCA Associated Vasculitis ... anti-GBM) 10%: - Low Complement ... - Normal Complement ... Syndromes #Mimics #Differential
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... #differential #
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathy (TMA) - Differential ... Diagnosis Table ... HUS (aHUS) - Complement-mediated ... TMA #hematology #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... - Differential ... ear disease Differential ... against MPO • Complement ... differential #diagnosis
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
spondyloarthropathies, vasculitides ... See below for table ... helpful paper complements ... #GI #Ileitis #Differential ... #Table
Nail diseases and disorders.
 - Spoon Nails (Koilonychia)
 - Pitting of Nails
 - Beau's Lines
 -
Fingernail #Disorders #Differential ... #Leukonychia #Table ... #Clinical #PhysicalExam
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
multiplex ANCA vasculitis ... Leukocytoclastic vasculitis ... Coronaries #Arteritis #Differential ... Diagnosis #Cardiology #Table
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Infection - Vasculitis ... - Autoimmune Vasculitis ... Petechiae #Rash #Differential ... #dermatology #physicalexam
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... younger pts) Differential ... temperatures by fixing complement
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... permanent alopecia Differential ... ANCA-associated vasculitis ... • Mesenteric vasculitis ... RNP antibodies, Complement