13 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PT (INR), Prolonged ... PT (INR), Prolonged ... PT (INR), Normal ... PTT, Normal PT ... , Normal PT (INR
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 ... and the PTT suggests
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... and aPTT If the ... PT and the aPTT ... amyloidosis #Abnormal ... #PT #aPTT #Prolonged
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
inherited bleeding disorder ... thrombocytopenia in ... type 2B) • Normal ... PT/INRNormal ... aPTT (prolonged
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... in selected cases ... : INR/PT, aPTT(liver ... primary hematologic disorder ... Thrombocytopenia #Platelet #Disorders
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... /PTT • Low plasma ... Fibrinogen: ↓ • PT ... /INR: ↑ • PTT: ... < 2.3 - APTT
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
established disease) • aPTT ... mixing study (aPTT ... may be normal in ... mild cases) • ... PT/INR & von Willebrand
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
Ketosis Disorders ... IVF or PO): The pt ... Glucosuria causes ... differential #diagnosis #management ... #endocrinology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... ristocetin • Normal ... platelet, PT, PTT ... could also be seen in ... #Platelet #disorders
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
be performed PT ... , PTT, and fibrinogen ... levels - Usually normal ... most cases; hemorrhage ... hematuria (without casts