100 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... deficiencies - PNH ... APLS • Acute Infectious ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Splenomegaly, Increased PMNs ... Cyanosis without Pulmonary ... Chronic Chest Symptoms ... #Hematology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Scleritis, Heart Disease ... Rheumatoid Nodules, Pulmonary ... Disease and ILD ... RA #diagnosis #rheumatology ... #signs #symptoms
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... hemoglobinuria (PNH ... spherocytosis) • Infections ... Extravascular #Causes ... differential #diagnosis #hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... Infections 2. ... and duration of symptoms ... Urticaria #diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
procedures - Infection ... PT, aPTT(liver disease ... pylori test (GI symptoms ... bypass), LFT (liver disease ... #Workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Clinical Presentation ... influenza (younger pts ... (younger pts) ... hemolytic #anemia #hematology
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... vasculitis - Diagnosis, causes ... cryoglobulinemia vasculitis Clinical ... with refractory disease ... Cryoglobulinemia #Vasculitis #Rheumatology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... • Recurrent infections ... • Associated PNH ... management #treatment #hematology