10 results
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Intravascular Coagulation ... platelet aggregation PT ... consumption of coagulation ... using INR use PT ... ISTH #Scoring #diagnosis
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation ... and endothelial cells ... #Coagulation #Cascade ... #clot #PT #PTT ... #diagnosis #models
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 ... Anticoagulation #Testing #Diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... Schistocytes, helmet cells ... #diagnosis #causes
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 ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
What's the diagnosis ... Thrombus in transit ... Pt had extensive ... Echocardiogram #A4C ... PulmonaryEmbolism #Thrombus
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... for a Prolonged PT ... drugs (e.g. direct thrombin ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... inhibitor of a coagulation ... intravascular coagulation ... warfarin, direct thrombin ... #Differential #Diagnosis
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
are typical of coagulation ... in endothelial cells ... to be normal, PT ... Diagnosis VWF ... Measurement of coagulation
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
• Albumin • Coagulation ... factors: PT/INR ... intestines, White blood cells ... liver #chemistry #diagnosis