Which of the following courses of treatment will the student most likely expect the attending physician to initiate?

A medical student is working with a 61-year-old male client in the hospital who has presented with a new onset of atrial fibrillation. Which of the following courses of treatment will the student most likely expect the attending physician to initiate?
Answers:
A. Diuretics, total bed rest, and cardioversion if necessary
B. Anticoagulants and beta-blockers to control rate
C. Immediate cardioversion followed by surgery to correct the atrial defect
D. Antihypertensives and constant cardiac monitoring in a high acuity unit