19 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Prolonged PT (INR ... Prolonged PT (INR ... #Differential # ... Algorithm #Causes #Hematology ... #coagulation #disorders
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... / PT - Differential ... #Elevated #aPTT ... #PT #INR #Algorithm ... #Hematology #differential
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
and Leukopenia - Differential ... • Eosinopenia: Sepsis ... Neoplastic • Neutropenia ... Benign ethnic neutropenia ... Diagnosis #causes #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
history of trauma, sepsis ... Fibrinogen: ↓ • PT/INR ... - Hg > 7 - INR ... < 2.3 - APTT ... treatment #management #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Abnormal PT and/or aPTT ... Congenital intrinsic coagulation ... intravascular coagulation ... Causes #diagnosis #differential ... #hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Prolonged PT and aPTT ... the PT and the aPTT ... Causes #diagnosis #differential ... #hematology #coagulation
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Intravascular Coagulation ... • Elevation in ... aggregation PT, aPTT ... monitor using INR ... Scoring #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... • Disruptions in ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... inhibitor of a coagulation ... intravascular coagulation ... Bruising #Hemostasis #Differential ... #Diagnosis #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... selected cases: INR ... /PT, aPTT(liver ... Platelet #Disorders #Differential ... Causes #Workup #hematology