97 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... Step 1: Is the PT ... Heparin, or Direct Thrombin ... Prolonging the PT ... APTT #prolonged #diagnosis
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
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
• Elevation in thrombin ... platelet aggregation PT ... can accelerate thrombin ... using INR use PT ... ISTH #Scoring #diagnosis
Pulmonary Embolism with IVC Thrombus In Transit

A patient presents with chest pain. Which of the following
Embolism with IVC Thrombus ... most support her diagnosis ... demonstrate an IVC thrombus ... Embolism #IVC #Thrombus ... echocardiogram #a4c
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Investigation of Abnormal ... Tests - Prolonged PT ... and Prolonged PT ... #Coagulation #Abnormal ... Laboratory #Hematology #Diagnosis
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
• Prolonged PT ... (INR), Normal PTT ... Prolonged PTT, Normal ... Prolonged PTT, Normal ... #Differential #Diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... warfarin, direct thrombin
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... for a Prolonged PT ... drugs (e.g. direct thrombin ... amyloidosis #Abnormal ... #Causes #diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... drugs e.g. direct thrombin ... Jcortesizaguirr #Abnormal ... #Causes #diagnosis
Effect of Anticoagulants on Coagulation Tests
PT / INR, aPTT, Anti-Xa Activity, Activated Clotting Time, Thrombin Time,
Coagulation Tests PT ... Clotting Time, Thrombin ... Anticoagulation #Testing #Diagnosis