15 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Congenital intrinsic coagulation ... Pre-analytical cause ... intravascular coagulation ... aPTT #Prolonged #Causes
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Causes include : ... Pre-analytical cause ... , FVII, FIX, FX) ... amyloidosis #Abnormal ... differential #hematology #coagulation
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... Prolonged PTT, Normal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Destruction • Abnormal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
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
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
levels of factors VII ... Thrombocytopenia - Normal ... Treat primary cause ... - APTT < 1.5 x normal ... #diagnosis #causes
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
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
inhibitor of a coagulation ... factor == NORMAL ... PT/NORMAL PTT: ... intravascular coagulation ... discern these causes
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Differential Diagnosis Algorithm ... intravascular coagulation ... (DIC) • Anti-coagulation ... #Causes #Obstetrics
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Differential Diagnosis Algorithm ... Iron Deficiency (Eg ... Causes: Chronic ... Differential #Diagnosis #Algorithm