14 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... leakage of RBC's secondary ... #Differential # ... Diagnosis #hematology ... #rheumatology #
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... vasculitis) or disorders ... of primary or secondary ... #Diagnosis #Dermatology ... Palpable #Algorithm #Differential
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Diagnosis Secondary ... Chronic inflammatory disorders ... Diagnosis #Causes #hematology ... #secondary
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Leukocytoclastic Vasculitis Secondary ... Petechiae, Palpable purpura ... Vasculitis #skin #dermatology ... #rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... in primary or secondary ... Vasculitis - Collagen disorders ... Henoch Schonlein Purpura ... Algorithm #Causes #dermatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Screen for secondary ... #Eosinophil #Disorders ... #Algorithm #Differential ... #diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Thrombocytopenia and Platelet Disorders ... - Differential ... (CVID, WAS), (neurologic ... #Differential # ... Causes #Workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
thrombocytopenic purpura ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Secondary form associated ... cryoglobulinemia Associated Disorders ... Skin necrosis • Purpura ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... lymphoproliferative disorder ... Secondary Cold ... younger pts) Differential ... hemolytic #anemia #hematology