Elective Reversal (reversal needed within days)

• I.V.: Stop heparin 4-6 hrs before procedure
• S.C.: Administer last dose evening before procedure

Urgent Reversal (not bleeding, reversal needed within hours)

• Stop heparin
• Consider protamine sulfate

Urgent Reversal (bleeding, reversal needed immediately)

• HASHTI
• Protamine Sulfate 1 mg per 90-100 units of heparin given in previous 2-3 hrs