Which actions indicate suspected heparin-induced thrombocytopenia (HIT) in a PCU patient?

Which actions indicate suspected heparin-induced thrombocytopenia (HIT) in a PCU patient?

• A. Gradual rise in platelet count after heparin.
• B. Sudden drop in platelet count after heparin initiation; notify physician, stop heparin, initiate alternative anticoagulation per protocol, monitor for thrombosis.
• C. Platelets unchanged and patient has no symptoms.
• D. Elevated blood pressure.

Answer: (B)