6 results
Effect of Anticoagulants on Coagulation Tests
PT / INR, aPTT, Anti-Xa Activity, Activated Clotting Time, Thrombin Time,
Coagulation Tests PT ... Clotting Time, Thrombin ... Rivaroxaban Apixaban ... Anticoagulation #Testing ... #Diagnosis #Laboratory
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
for Disseminated Intravascular ... using INR use PT ... to form clots, ... ISTH #Scoring #diagnosis ... #hematology #laboratory
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
- Rivaroxaban, apixaban ... drugs e.g. direct thrombin ... Supratherapeutic warfarin effect ... Disseminated intravascular ... Prolonged #Causes #diagnosis
Commonly Observed Laboratory Findings in Hepatic / Liver Failure
 - Elevated conjugated and unconjugated bilirubin -
Commonly Observed Laboratory ... unconjugated bilirubin - Defects ... liver glycogen stores ... - Prolonged PT ... #Diagnosis #Testing
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... • Increased thrombin ... venipuncture sites Laboratory ... significant fibrin clot ... #Coagulation #diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... , disseminated intravascular ... fibrinogen levels, and testing ... warfarin, direct thrombin ... #Differential #Diagnosis