A 67-year-old woman is brought to the hospital by paramedics after collapsing on the street. She has a history of heart failure and has been taking digoxin and furosemide. The emergency department physician determines that she is experiencing a myocardial infarction accompanied by severe tachycardia.
    a. The ED nurse should collect what assessment data before propranolol is started?
    b. The patient is also given amiodarone. What is the rationale for using this drug for this patient?
    c. The nurse should anticipate what adverse effects from the use of amiodarone and propranolol?
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