13 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PT (INR), Normal ... , Normal PT (INR ... #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
of Abnormal Coagulation ... Tests - Prolonged PT ... and Prolonged PT ... APTT #Laboratory #Hematology ... #Diagnosis #Workup
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: ... treatment #management #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... for decreased PLT ... for decreased PLT ... : INR/PT, aPTT(liver ... #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
inhibitor of a coagulation ... Warfarin • Acute DIC ... intravascular coagulation ... disease • Acute DIC ... Differential #Diagnosis #Hematology
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
(DIC) Platelet ... platelet aggregation PT ... monitor using INR ... use PT D-dimer ... Scoring #diagnosis #hematology
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 ... #Abnormal #PT ... #differential #hematology ... #coagulation
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
acute ischemic disorder ... vision vision in ... : halo sign PET ... GiantCellArteritis #GCA #Rheumatology ... Ophthalmology #Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Vasculitis - Collagen disorders ... fulminans - DIC ... deficiency Work ... Complete blood count coagulation
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
cryoglobulinemia Associated Disorders ... thrombophlebitis, pulmonary ... skin necrosis • DIC ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology