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 ... Intravascular #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
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Congenital intrinsic coagulation ... drugs e.g. direct thrombin ... intravascular coagulation ... Jcortesizaguirr #Abnormal
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 ... - APTT < 1.5 x normal
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
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 ... amyloidosis #Abnormal ... differential #hematology #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
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
are typical of coagulation ... in endothelial cells ... levels tend to be normal ... , PT should be normal ... Measurement of coagulation
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
- If both are normal ... • Albumin • Coagulation ... factors: PT/INR ... of ALP • Near normal ... intestines, White blood cells