8 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Congenital intrinsic coagulation ... intravascular coagulation ... Jcortesizaguirr #Abnormal ... differential #hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Prolonged PT and aPTT ... the PT and the aPTT ... , FVII, FIX, FX) ... amyloidosis #Abnormal ... differential #hematology #coagulation
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... PT - Prolonged aPTT ... DrEricStrong #Algorithm ... #Coagulation #Abnormal
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Prolonged PT (INR), Normal ... PTT, Normal PT ... , Normal PT (INR ... Differential #Diagnosis #Algorithm ... Causes #Hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT/PTT ... levels of factors VII ... Thrombocytopenia - Normal ... INR < 2.3 - APTT ... < 1.5 x normal
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
inhibitor of a coagulation ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... PT/ABNORMAL PTT
Normal Thromboelastogram - Specific parameters represent the 3 phases of the cell-based model of haemostasis: initiation,
Normal Thromboelastogram ... Diagnosis #Hematology #Coagulation ... #Thromboelastogram ... #TEG #Normal #Interpretation
Thromboelastography (trademarked as TEG)
 • Graphical representation of the fibrin polymerization process
 • Point-of-care anti-coagulation monitoring
trademarked as TEG ... Point-of-care anti-coagulation ... routine transfusion algorithms ... Thromboelastography #Thromboelastogram ... #TEG #interpretation