A Diagnostic or Therapeutic Radiology Procedure May Necessitate the Administration

A diagnostic or therapeutic radiology procedure may necessitate the administration of heparin or other anticoagulant or antiplatelet medications (e.g.,aspirin,dipyridamole,ticlopidine) because vascular injury can lead to thrombus development.Heparin is often used to prevent acute thrombosis and ischemic episodes.What condition is a contraindication for the use of heparin?

A) A patient who is taking protamine sulfate
B) Hypersensitivity to heparin or excessive bleeding
C) Thrombolysis or angioplasty procedures
D) Sensitivity to the thrombin inhibitor bivalirudin

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