History of deep venous thrombosis or pulmonary embolism – provoked or unprovoked? Superficial or deep? How long ago was the VTE?
What anticoagulant the patient is on, indication and the time of last dose.
Contraindications to anticoagulation?
Any new drugs which have been started?
History of haematological malignancy and treatment.
Regarding derangements in full blood count: new or chronic, trend of any abnormalities, correlation with previous results outside of hospital is also valuable.
What haematologist (if any) the patient is known to/has seen in the past.
Use your online local resources for reversal of anti-coagulation that are available on your hospital intranet.
Haematology can assist you in how to reverse coagulation but typically cardiology should be consulted regarding risks/ benefits of reversal in patients in atrial fibrillation and/or mechanical valves.
Helpful resources
An update of consensus guidelines for warfarin reversal
Huyen A Tran, Sanjeev D Chunilal, Paul L Harper, Huy Tran, Erica M Wood and Alex S Gallus, on behalf of the Australasian Society of Thrombosis and Haemostasis. Med J Aust 2013; 198 (4): 198-199. DOI: 10.5694/mja12.10614. Abstract available from https://www.ncbi.nlm.nih.gov/pubmed/23451962
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