TY - CHAP M1 - Book, Section TI - Anticoagulant Therapy and Its Complications A1 - Witsil, Joanne C. A2 - Sherman, Scott C. A2 - Weber, Joseph M. A2 - Schindlbeck, Michael A. A2 - Rahul G., Patwari PY - 2014 T2 - Clinical Emergency Medicine AB - In the anticoagulated patient, have a low threshold to obtain imaging studies after trauma.When initiating warfarin therapy, coadministration with heparin or low-molecular-weight heparin (3–5 days) is necessary to avoid a paradoxical hypercoagulable state.When the international normalized ratio (INR) is supratherapeutic in a patient who is not bleeding, a cautious approach to vitamin K administration is important. Administering excess vitamin K may overcorrect the INR, leaving the patient refractory to further anticoagulation. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1101228181 ER -