The Nurse Is Caring for a Client Seen Is the ED

The nurse is caring for a client seen is the ED for complaints of lightheadedness, dizziness, and shortness of breath for the past 24 hours.The client has a history of hypertension, benign prostatic hypertrophy, type II diabetes, and congestive heart failure.The cardiac monitor shows the patient to be in atrial fibrillation with a ventricular rate of 156.Which of the following is most likely to promote formation of cardiac rhythm abnormalities for this client?

A) Hypertension
B) Benign prostatic hypertrophy
C) Type II diabetes
D) Congestive heart failure