A patient has been prescribed flecainide (Tambocor) for treatment of ventricular dysrhythmia. Which finding should the nurse discuss with the prescriber prior to initiating this therapy?
1. The patient has lost 6 pounds since hospital admission.
2. The patient experienced nausea while taking digoxin (Lanoxin) many years ago.
3. The patient's urine output was 20 mL over the last hour.
4. The patient's potassium level is 4.8 mEq/dL this morning.
Answer: 4
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