9 results
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... INR < 2.3 - APTT ... #Coagulation #diagnosis ... causes #treatment #management ... #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
an inhibitor of normal ... PT and/or aPTT) ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management ... hemosiderin • PT/aPTT ... normal • DAT ... #hematology
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Intravascular Coagulation (DIC ... aggregation PT, aPTT ... small vessels #DIC ... ISTH #Scoring #diagnosis ... #hematology #laboratory
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... intravascularcoagulation (DIC ... amyloidosis #Abnormal ... #Causes #diagnosis ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... intravascular coagulation (DIC ... Jcortesizaguirr #Abnormal ... #Causes #diagnosis ... #differential #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
established disease) • aPTT ... mixing study (aPTT ... may be normal in ... antigen (vWF:Ag) are normal ... #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... #Hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... opacities • Diagnosis ... • Differential Diagnosis ... 500 mg QD until normal ... #management #hematology