7 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
K Antagonists, Heparin ... to identify the cause ... of Prolonged APTT ... #APTT #prolonged ... #diagnosis #hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTT, Normal PT ... PTT, Normal PT ... Diagnosis #Algorithm #Causes ... #Hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... (DIC) c. ... Jcortesizaguirr #Abnormal ... #PT #aPTT #Prolonged ... #differential #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... Treat primary cause ... INR < 2.3 - APTT ... #diagnosis #causes ... treatment #management #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
intravascularcoagulation (DIC ... amyloidosis #Abnormal ... #PT #aPTT #Prolonged ... #differential #hematology ... #coagulation
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
marrow disease - DIC ... Defects: • DIC ... deficiencies - PNH ... Cholesterol emboli • Septic ... Differential #Diagnosis #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/ABNORMAL PTT ... Acquired: • Heparin ... ABNORMAL PTT: Prolongation ... discern these causes ... Differential #Diagnosis #Hematology