14 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... the PT or APTT ... Heparin, or Direct Thrombin ... #APTT #prolonged ... #diagnosis #hematology
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Investigation of Abnormal ... PT - Prolonged ... aPTT and Prolonged ... PT - Prolonged ... #Hematology #Diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... Congenital intrinsic ... PT and aPTT 1. ... #PT #aPTT #Prolonged ... #Causes #diagnosis
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PT (INR), Prolonged ... PT (INR), Normal ... PTT, Normal PT ... PTT, Normal PT ... Differential #Diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and aPTT If ... aPTT are both prolonged ... affected in the intrinsic ... drugs (e.g. direct thrombin ... #PT #aPTT #Prolonged
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
What's the diagnosis ... Thrombus in transit ... Pt had extensive ... 3 d later with normal ... Echocardiogram #A4C
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... type 2B) • Normal ... PT/INR • Normal ... aPTT (prolonged ... VonWillebrand #Disease #Diagnosis
Cool echo - RV strain, McConnell sign, and CLOT IN TRANSIT!! BP is normal and pt
BP is normal and ... pt not in distress ... Echocardiogram #A4C ... Pulmonary #Embolism #Thrombus ... #Clots #InTransit
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... prolonged after ... PT/ABNORMAL PTT
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
• Elevation in thrombin ... platelet aggregation PT ... , aPTT: • Expected ... using INR use PT ... ISTH #Scoring #diagnosis