8 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... : • Fevers • ... against MPO • Complement ... differential #diagnosis #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... cardiac valve, vasculitis ... bartonella (oroya fever ... #workup #hematology ... #testing
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Infection - Vasculitis ... Red Flags: • Fever ... #Causes #dermatology
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
the most common vasculitis ... Presentation: • Fever ... , Cough • +/-Nausea ... lasting ≥ 5 days ... #rheumatology #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Positive Coombs testing ... temperatures by fixing complement ... Symptoms: High fevers ... hemolytic #anemia #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to heat (fires, heating ... pads, heating blankets ... or Haverhill fever ... of necrotizing vasculitis ... differential #diagnosis #dermatology
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Differential Diagnosis Algorithm ... Periodontal Disease Complement ... Infection #Fever ... #Causes #Hematology