11 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PT (INR), Normal ... PTT, Normal PT ... PTT, Normal PT ... #Hematology #coagulation
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
the PT or APTT ... Prolonging the PT ... of Prolonged APTT ... #APTT #prolonged ... mixing #studies #PTT
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. ... #Hematology #Diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... Time (PT) 1. ... PT and aPTT 1. ... #PT #aPTT #Prolonged
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and aPTT If ... the PT and the ... aPTT are both prolonged ... amyloidosis #Abnormal ... #PT #aPTT #Prolonged
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... type 2B) • Normal ... PT/INR • Normal ... aPTT (prolonged ... Disease #Diagnosis #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... Fibrinogen: ↓ • PT ... /INR: ↑ • PTT: ... INR < 2.3 - APTT
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... Perform a PTT mixing ... PT/NORMAL PTT: ... PT/ABNORMAL PTT
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
: INR/PT, aPTT(liver ... (CVID, WAS), (neurologic ... patients if the cause ... or if a primary hematologic ... #Workup #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
established disease) • aPTT ... is prolonged, but ... mixing study (aPTT ... PT/INR & von Willebrand ... Management #treatment #hematology