A nurse is teaching a group of clients about risk factors for developing atrial flutter. Which of the following clients should the nurse understand is at highest risk for developing atrial flutter?

The client who is out of work and has been experiencing increased stress.

The client who is recovering from a recent illness that caused vomiting and diarrhea.

The client whose mother and uncle were diagnosed with this same condition

The client who had a myocardial infarction and required stent placement.