16 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Urticarial Vasculitis ... Complex Formation - Complement ... TerrierBen #Hypocomplementemic ... #HUV #Pathophysiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... • HBV HCV • ... #rheumatology #classification
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... DIC, TTP, HELLP, HUS ... cardiac valve, vasculitis ... #workup #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Infections: HCV ... infection, HBV ... infection, HIV infection ... • Low serum C4 complement ... diagnosis #types #classification
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... Megakaryopoiesis • Aplastic Anemia ... Syndrome • TTP/HUS ... • DIC • Vasculitis ... Differential #Diagnosis #Algorithm
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... perfringens - Complement-Mediated ... immune-complex hemolytic anemia ... MAHA (TTP, DIC, HUS ... Differential #Diagnosis #Algorithm
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... Glomerulonephritis / Vasculits ... #Injury #AKI #Workup ... #Algorithm #Differential
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
Diagnosis and workup ... hydrocephalus, HIV ... the diagnostic workup ... - Progressive amnesia ... Differential #Subtypes #Classification
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... hematology for workup ... hemolysis, deficiency anemia ... Rheumatologic, Vasculitides ... Differential #Diagnosis #Algorithm
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... • Symptoms of anemia ... • hemolytic anemia ... Mycoplasma, EBV, HIV ... temperatures by fixing complement