54 results
Coagulation Cascade and Anticoagulant Sites of Action

- Amy Chung, MD, MSc https://twitter.com/AmyChung

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
Coagulation Cascade ... twitter.com/AmyChung #AntiCoagulation ... #Pharmacology #Pathophysiology ... Mechanisms #DOAC #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... - Acquired • Anticoagulation ... #Bleeding #Bruising ... Algorithm #Causes #Hematology
Bleeding risk calculators - HAS-BLED (atrial fibrillation) and IMPROVE (VTE prophylaxis for inpatients)
Important notes:
 • No
validated for VTE treatment ... of withholding anticoagulation ... #Calculators #Anticoagulation ... #Factors #Hematology ... #Diagnosis
Venous Thromboembolism Treatment Algorithm
Branch points: 
Active bleeding?  Active malignancy? Provoked?

- Dr. Joseph Shatzel
@Clotmaster

#Management #VTE #DVT
Thromboembolism Treatment ... points: Active bleeding ... Thromboembolism #Treatment ... #Hematology #Anticoagulation
Managing warfarin INR

Warfarin dosage must be individualized according to the patient's response to the drug, and
Over-anticoagulation ... lead to severe bleeding ... hemorrhage, while under-coagulation ... #pharmacology #treatment ... decisionaid #cardiology #hematology
Bleeding and Bruising - Differential Diagnosis Algorithm
 • Vascular System Defect - Congenital vs Acquired
 •
Bleeding and Bruising ... - Differential Diagnosis ... Qualitative • Coagulation ... vs Acquired #Bleeding ... #Algorithm #pathophysiology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... Treatment: ... #diagnosis #causes ... #treatment #management ... #hematology
Stroke and bleeding risk stratification with the CHADS2-VASc and HAS-BLED schemas

#Diagnosis #Hematology #CHADS2 #CHADS2VASc #HASBLED #Comparison
Stroke and bleeding ... HAS-BLED schemas #Diagnosis ... #Hematology #CHADS2 ... Stroke #Bleed #Anticoagulation
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Normal PT (INR) - Bleeding ... PT (INR) - No Bleeding ... #Differential #Diagnosis ... Algorithm #Causes #Hematology ... #coagulation #disorders
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation ... clot #PT #PTT #diagnosis ... #models #hematology ... #pathophysiology ... #anticoagulation