82 results
Hemostasis Physiology

The blood's response to blood vessel injury can be viewed as four interrelated steps. 
Roman
factors. ... PF-3, platelet factor ... #Hemostasis #Pathophysiology ... #Coagulation #Cascade ... #Hematology
Simplified Coagulation Cascade and Differential Diagnosis

#Coagulation #Cascade #Differential #Diagnosis #Intrinsic #Extrinsic #Pathway #Hematology
Simplified Coagulation ... Cascade and Differential ... Diagnosis #Coagulation ... #Cascade #Differential ... Extrinsic #Pathway #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... Congenital • Factor ... Deficiency • Factor ... #Causes #Hematology
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
Coagulation Cascade ... Extrinsic=PT Factors ... @pinoygastro #Coagulation ... Mnemonic #PITT #PET #diagnosis ... #hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Summary of Coagulation ... Deficiency of Factor ... EricsMedicalLectures/ #Coagulation ... Summary #table #comparison ... #diagnosis #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Decreased factor ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Consumption of Clotting Factors ... Reduced levels of factors ... protein C and S Pathophysiology ... #diagnosis #causes ... treatment #management #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Congenital intrinsic coagulation ... intravascular coagulation ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Intravascular Coagulation ... factors, Can be ... of thrombin and factor ... ISTH #Scoring #diagnosis ... #hematology #laboratory
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... Diagnosis Framework ... intravascular coagulation ... Venous #Arterial #pathophysiology ... #hematology #differential