11 results
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathy (TMA) - Differential ... Diagnosis Table ... Metabolism-mediated TMA - Coagulation-mediated ... Microangiopathy #TMA #hematology ... #differential #
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... - Differential ... artery aneurysm: Causes ... intravascular coagulation ... Diagnosis #clots #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Cholesterol emboli • Septic ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology ... #nonpalpable #dermatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
- bleeding or thrombosis ... Treat primary cause ... 100mg/dL) - Heparin ... #diagnosis #causes ... treatment #management #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Differential ... intravascular coagulation ... and other causes ... pathophysiology #hematology ... #differential #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... intravascular coagulation ... syndrome - Thrombotic ... #differential # ... diagnosis #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... (e.g. heparin contamination ... thrombin inhibitors, heparin ... #diagnosis #differential ... #hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... unfractionated heparin ... e.g. heparin ... #diagnosis #differential ... #hematology #coagulation
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... deficiency Work ... Complete blood count coagulation ... #dermatology #physicalexam
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Evaluation for Thrombotic ... decrease in most cases ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology