14 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... thrombocytopenic purpura ... usually IgG) (e.g. lupus ... #Causes #differential ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... - Hemolytic anemia ... Diagnosis #hematology ... #rheumatology #
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Cerebrovascular Disease ... autoantibodies that will cause ... #rheumatology # ... #management #treatment
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... (systemic lupus ... Congenital heart disease ... pediatrics #diagnosis ... #differential #
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Systemic lupus ... [SLE], AOSD) • ... with leukopenia, anemia ... #Diagnosis #Management ... #Hematology #Rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome ... anemiaCold ... younger pts) Differential ... the RBCs causing intravascular ... #hematology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Classification: ... Diagnosis: • ANCA-associated ... #Systemic #Lupus ... #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... • Autoimmune diseases ... lupus erythematosus ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Diagnosis: Systemic ... SLE) • Urinalysis ... #diagnosis #rheumatology ... #classification
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
processes: • Systemic ... Skin necrosis • Purpura ... Antiphospholipid syndrome ... #rheumatology # ... hematology