7 results
Coagulation Cascade and Anticoagulant Sites of Action

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

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
Coagulation Cascade ... and Anticoagulant ... twitter.com/AmyChung #AntiCoagulation ... #Cascade #Anticoagulants ... Mechanisms #DOAC #Hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
integrity Clotting cascade ... inhibitor and lupus anticoagulant ... syndrome • Lupus anticoagulant ... deficiency • Anticoagulants ... deficiency • Anticoagulant
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation cascade ... clot #PT #PTT #diagnosis ... #models #hematology ... pathophysiology #anticoagulation ... #anticoagulant
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... Patient Receiving Anticoagulants ... ISNeducation #Abnormal ... APTT #prolonged #diagnosis ... #hematology #evaluation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... heparin - Other anticoagulants ... Jcortesizaguirr #Abnormal ... Prolonged #Causes #diagnosis ... #differential #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia - Normal ... Reduction of pro/anticoagulants ... - APTT < 1.5 x normal ... #Coagulation #diagnosis ... treatment #management #hematology
Antiphospholipid Syndrome (APLS) Testing - Hypercoagulable Workup Algorithm
INDICATIONS FOR TESTING:
 • Vascular thrombosis
morphologically normal ... morphologically normal ... Testing: • Lupus Anticoagulant ... Workup #Algorithm #diagnosis ... #hematology