27 results
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Intravascular Coagulation ... (DIC) Platelet ... platelet aggregation PT ... using INR use PT ... small vessels #DIC
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
(DIC) Overview ... • Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... Schistocytes, helmet cells
Coagulation cascade and anticoagulants 

Satyendra Dhar MD, @DharSaty

#coagulation #coumadin #heparin #warfarin #apaxiban #pradaxa #xarelto #DOAC #vWF
Coagulation cascade ... @DharSaty #coagulation ... xarelto #DOAC #vWF #thrombin ... #ptt #pt
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation ... Thrombin, then primes ... and endothelial cells ... #Coagulation #Cascade ... #clot #PT #PTT
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Congenital intrinsic coagulation ... drugs e.g. direct thrombin ... intravascular coagulation ... (DIC) c. ... differential #hematology #coagulation
Effect of Anticoagulants on Coagulation Tests
PT / INR, aPTT, Anti-Xa Activity, Activated Clotting Time, Thrombin Time,
Anticoagulants on Coagulation ... Tests PT / INR, ... Clotting Time, Thrombin
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... and aPTT If the PT ... drugs (e.g. direct thrombin ... intravascularcoagulation (DIC ... differential #hematology #coagulation
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Summary of Coagulation ... inhibitors, direct thrombin ... Post-partum • Acute DIC ... EricsMedicalLectures/ #Coagulation
Therefore, studies obtained at the initial presentation in the emergency department should evaluate for fibrinolysis with
prothrombin time (PT ... decompensated DIC ... Diagnosis #Honc #DIC ... Intravascular #Coagulation
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
inhibitor of a coagulation ... Warfarin • Acute DIC ... intravascular coagulation ... disease • Acute DIC ... warfarin, direct thrombin