The Client Is Being Treated for a Cardiac Dysrhythmia with Amiodarone

The client is being treated for a cardiac dysrhythmia with amiodarone (Cordarone) . The client has elevated liver function tests (LFTs) . Which assessment finding would the nurse suspect as contributing to the elevated LFTs?

A) The client was taking Kava-Kava for anxiety.
B) The client was taking Echinacea to treat cold symptoms.
C) The client was taking St. John's wort for depression.
D) The client was taking gingko biloba for memory problems.