9 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... • HBV HCV
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Diagnosis Algorithm ... cardiac valve, vasculitis ... workup #hematology #testing
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Diagnosis Algorithm ... Megakaryopoiesis • Aplastic Anemia ... Syndrome • TTP/HUS ... • DIC • Vasculitis
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Diagnosis Algorithm ... perfringens - Complement-Mediated ... immune-complex hemolytic anemia ... MAHA (TTP, DIC, HUS ... #Diagnosis #Algorithm
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Positive Coombs testing ... Mycoplasma, EBV, HIV ... younger pts) Differential ... temperatures by fixing complement
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Pericarditis - Differential ... Diagnosis Algorithm ... Cytomegalovirus • HIV ... spondyloarthropathies • Vasculitis ... Metabolic: • Uremia
Chest Pain Diagnosis and Management Algorithm
STEMI:
 - Hx: Pressure like CP, Radiation to arm/jaw, CAD risk
and Management Algorithm ... onset, severe, tearing ... underlying dz (SLE, uremia ... caustic ingestion, HIV ... #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Putrid sputum/sour-tasting ... Leukocytosis, anemia ... Lung Abscess Differential ... Diagnosis: • Vasculitis ... Abscess #pulmonary #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to heat (fires, heating ... of necrotizing vasculitis ... include: infections (HSV ... Erythemas #comparison #table ... #differential #