51 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Evaluate an Abnormal APTT ... or APTT Artifactually ... or APTT? ... APTT ISN Education ... mixing #studies #PTT
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PT (INR), Prolonged ... PTTProlonged ... PT (INR), Prolonged ... PTTProlonged ... PTTProlonged
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Prolonged APTT - ... Algorithm #Prolonged ... #APTT #PTT #abnormal
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
PT - Prolonged ... aPTT and Prolonged ... PT - Prolonged ... aPTT Dr. ... Coagulation #Abnormal #APTT
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
and/or aPTT Prolonged ... aPTT) 3. ... the aPTT alone ... PT and aPTT 1. ... #aPTT #Prolonged
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... / PT - Differential ... Diagnosis Algorithm aPTT ... #Elevated #aPTT ... #PT #INR #Algorithm
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Diagnosis for a Prolonged ... PT and aPTT If ... aPTT are both prolonged ... factors affected in ... #aPTT #Prolonged
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... thrombocytopenia in ... 2B) • Normal PT ... /INR • Normal ... aPTT (prolonged
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... /INR: ↑ • PTT: ... - Hg > 7 - INR ... < 2.3 - APTT
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Thromboplastin Time (PTT ... Often Elevated in ... Thromboplastin Time (PTT ... Often elevated in ... #PTT #Prothrombin