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

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... • Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... Schistocytes, helmet cells
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... drugs e.g. direct thrombin ... Disseminated intravascular ... coagulation (DIC ... Jcortesizaguirr #Abnormal
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... drugs (e.g. direct thrombin ... hemorrhage • Disseminated ... amyloidosis #Abnormal ... differential #hematology #coagulation
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
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... warfarin, direct thrombin
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
Thrombus in transit ... Pt had extensive ... 3 d later with normal ... Echocardiogram #A4C ... PulmonaryEmbolism #Thrombus
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
succenturiate lobe • Abnormal ... or percreta) Thrombin ... HELLP syndrome • Disseminated ... intravascular coagulation ... (DIC) • Anti-coagulation
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
schizocytes, these cells ... are one of the abnormal ... shapes of red cells ... phenomenon include disseminated ... intravascular coagulation
Cool echo - RV strain, McConnell sign, and CLOT IN TRANSIT!! BP is normal and pt
BP is normal and ... pt not in distress ... Echocardiogram #A4C ... Pulmonary #Embolism #Thrombus