A45 year old female patient presents to the emergency department in the care of her husband with a complaint of agitation and anxiety. her husband states that she has been acting "strangely" for the past several days. she's been hyperactive, "agitated", and sometimes delusional. she is previously healthy but has allergies to penicillins, iodine, and morphine. on exam, the patient is clearly anxious and frustrated with the visit. she's diaphoretic and on cardiovascular exam a harsh systolic murmur is heard as well as an irregularly irregular rhythm. vital signs show a temperature of 101.5, hr 123, bp 175/98, rr 27, and spo2 98% on ra. an ekg shows rapid atrial fibrillation. what is the definitive treatment for her condition? a. aspirin, benzodiazepines, fluidsb. acetaminophen, haloperidol, atenololc. diltiazem, benzodiazepines, iv fluidsd. lithium, propranolol, acetaminophen