14 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Pre-analytical cause ... intravascular coagulation (DIC ... #Causes #diagnosis ... #differential #hematology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... - In most case ... ECG usually shows
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Diagnosis for a Prolonged ... aPTT are both prolonged ... Causes include : ... intravascularcoagulation (DIC ... #differential #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Toxic Damage (e.g ... • TTP/HUS • DIC ... Diagnosis #Algorithm #Causes ... #Hematology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
syncope • Prolonged ... • AV block ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table #Causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation (DIC ... Thrombocytopenia • Prolonged ... Treat primary cause ... Coagulation #diagnosis #causes ... treatment #management #hematology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Uterine fatigue (e.g ... . prolonged/induced ... intravascular coagulation (DIC ... Diagnosis #Algorithm #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... intravascular coagulation (DIC ... (usually IgG) (e.g ... Extravascular #Causes ... differential #diagnosis #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
disease) • aPTT is prolonged ... normal in mild cases ... hemophilia type (e.g ... Management #treatment #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
the PT remains prolonged ... Warfarin • Acute DIC ... discern these causes ... disease • Acute DIC ... Differential #Diagnosis #Hematology