12 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... of thrombocytopenia ... TTP/HUS indicates ... purpura/hemolytic ... , Hematology 2012
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
presents in thrombocytopenic ... rash, the diagnosis ... likely to have thrombocytopenia ... #Diagnosis #Dermatology ... #Purpuric #Rash
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Microangiopathy #thrombocytopenic ... #purpura #TTP # ... #thrombocytopenia ... #Comparison #Diagnosis ... #Table #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... : - Thrombocytopenia ... Diagnosis #hematology ... #dermatology
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... → Palpable • Thrombocytopenia ... (HIT, ITP/HUS), ... BrighamChiefs #Purpura ... #Causes #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... hemostasis: - Thrombocytopenia ... Henoch Schonlein Purpura ... : - Purpura fulminans ... #Causes #dermatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
transfusion • Thrombocytopenia ... Petechiae • Purpura ... Hemorrhagic bullae • Purpura ... MAHA + Thrombocytopenia ... #management #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
microangiopathy: Thrombotic thrombocytopenic ... purpura (TTP), ... uremic syndrome (HUS ... #differential # ... diagnosis #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Evaluation for ... Thrombotic Thrombocytopenic ... Purpura Activity ... WBC count and differential ... #Workup #Hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Hyperviscosity, TTP ... Hyperhomocysteinemia - Heparin-induced ... thrombocytopenia ... of purpura fulminans ... pathophysiology #hematology