7 results
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
(with an I) = Intrinsic ... = APTT Factors ... E)= Extrinsic=PT ... Mnemonic #PITT #PET #diagnosis ... #hematology
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation cascade ... along with FXIIa (intrinsic ... #clot #PT #PTT ... #diagnosis #models ... #hematology #pathophysiology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and the aPTT ... affected in the intrinsic ... drugs (e.g. direct thrombin ... intravascularcoagulation (DIC ... #differential #hematology
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
platelet aggregation PT ... , aPTT: • Expected ... using INR use PT ... ISTH #Scoring #diagnosis ... #hematology #laboratory
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Congenital intrinsic ... drugs e.g. direct thrombin ... intravascular coagulation (DIC ... #Causes #diagnosis ... #differential #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... integrity Clotting cascade ... disease • Acute DIC ... warfarin, direct thrombin ... #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... #Coagulation #diagnosis ... treatment #management #hematology