A nurse is caring for a client with chronic lymphocytic thyroiditis. the health care provider has prescribed liothyronine. for which condition of the client should the nurse be cautious before administering the drug

A nurse needs to know if the patient has a cardiac disease. In some cases this drug has been known to cause transient cardiac arrhythmias. An overdose of this medication has also caused congestive heart failure. Medications that are taken in conjunction with cardiac issues, like warfarin can have a serious reaction with liothyronine.