17 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... leakage of RBC's secondary ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #hematology #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... thrombocytopenic purpura ... lymphoproliferative disorders ... #hematology #anemia
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
anemia - Persistent ... Systemic disorders ... neurofibromatosis, vasculitis ... Classification #Diagnosis ... #Differential #Causes
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... cardiac valve, vasculitis ... Consider RBC membrane disorder ... #Diagnosis #Algorithm ... #workup #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... • Steroids • Vasculitis ... #Algorithm #Causes ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Myeloproliferative disorders ... Inflammatory • Systemic ... Serum Sickness Hemolytic ... #Algorithm #Causes ... #Hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... to Systemic Diseases ... #Secondary #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... , Purpura, Urticaria ... pain (20%) Renal disease ... ) Blood (75%): Anemia ... #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... • Autoimmune diseases ... Type III Often Secondary ... classification #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Secondary Cold ... Diagnosis: • hemolytic ... #hemolytic #anemia ... #hematology #diagnosis