Assertion: warfarin's inr | /r/AtLocation | usual therapeutic range
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text: Hemorrhagic complications may be manifested by signs or symptoms that do not indicate obvious bleeding, such as paralysis; headache; pain in the chest, abdomen, joints, muscles, or other areas; dizziness; shortness of breath; difficulty breathing or swallowing; unexplained swelling; weakness; hypotension; or unexplained shock.211 330 Results principally from overdosage or excessive PT/INR prolongation; however, may occur when the PT/INR is in the usual therapeutic range and frequently results from the presence of occult lesions.a 211 330 More likely to occur during the initiation of therapy and with higher dosages, resulting in higher INRs.211 330