11 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Disseminated intravascular ... coagulation (DIC ... #Prolonged #Causes ... #diagnosis #differential ... #hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... hemorrhage • Disseminated ... intravascularcoagulation (DIC ... #Prolonged #Causes ... #hematology #coagulation
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTTProlonged ... #PPT #PT #INR #Differential ... Diagnosis #Algorithm #Causes ... #Hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... Coagulation (DIC ... Thrombocytopenia • Prolonged ... #Disseminated # ... treatment #management #hematology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... artery aneurysm: Causes ... endocarditis) - Disseminated ... intravascular coagulation ... MAHA: TTP, HUS, DIC
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Rare • Drugs (e.g ... Deficiency • Disseminated ... #Hematology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... . prolonged/induced ... HELLP syndrome • Disseminated ... (DIC) • Anti-coagulation
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): - Disseminated ... intravascular coagulation ... (DIC) - HELLP ... #differential # ... diagnosis #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... the PT remains prolonged ... liver failure, disseminated ... discern these causes ... #Diagnosis #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Meningococcemia - Disseminated ... fulminans - DIC ... Complete blood count coagulation