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Title
Acetaminophen and other risk factors for excessive warfarin anticoagulation.
Authors
Hylek, E M; Heiman, H; Skates, S J; Sheehan, M A; Singer, D E
Abstract
Warfarin is highly effective in preventing thromboembolism, but increases the risk of hemorrhage, particularly at an international normalized ratio (INR) greater than 4.0. Identifying causes of excessive anticoagulation in clinical practice could help target patients at risk for elevated INRs.