You establish the patients isn’t on any anticoagulants or antiplatelet agents. She has no cardiac history and the team don’t know about her blood group. She had an ABG that shows a Hb of 64.
You advise the team that they should be aiming to keep her APTTR and PTR <1.5, Fibrinogen >1.5, Hb >80 and plt >50.
In the hospital there is a Thromboelastography (TEG ) available as a viscoelastic Haemostatic assay and you suggest this may be helpful to guide the situation.
What are the benefits of viscoelastic haemostatic assays compared to traditional coagulation screens?
What are the potential difficulties with TEG and other similar viscoelastic haemostatic assays such as ROTEM or Sonoclot?
What are the differences between the different assays TEG, ROTEM and Sonoclot?