A patient will be taking amiodarone (Cordarone). Which baseline tests are necessary before this medication is started? (Select all that apply.)
a. Chest radiograph and pulmonary function tests
b. Complete blood count with differential
c. Ophthalmologic examination
d. Renal function tests
e. Thyroid function tests
ANS: A, C, E
Amiodarone has many potential toxic side effects, including pulmonary toxicity, ophthalmic effects, and thyroid toxicity, so these systems should be evaluated at baseline and periodically while the patient is taking the drug. A complete blood count is not indicated. Renal function tests are not indicated.
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