25 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? ... APTT ISN Education ... ISNeducation #Abnormal #APTT ... #hematology #evaluation
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PTTProlonged ... PTTProlonged ... PTTProlonged ... PTT, Normal PT ... Algorithm #Causes #Hematology
Prolonged APTT - Diagnostic Algorithm

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

Dr.
PT - Prolonged ... aPTT and Prolonged ... aPTT Dr. ... Coagulation #Abnormal #APTT ... #Laboratory #Hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
and/or aPTT Prolonged ... aPTT) 3. ... PT and aPTT 1. ... #aPTT #Prolonged ... #differential #hematology
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
vs PET PITT (with ... = Intrinsic = APTT ... 9, 10, 11, 12 PET ... E)= Extrinsic=PT ... #hematology
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 ... #Hematology #differential
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... 2B) • Normal PT ... INR • Normal aPTT ... (prolonged if very ... Disease #Diagnosis #Hematology
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 ... #aPTT #Prolonged ... #differential #hematology
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

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