A nurse is teaching a client about risk factors for developing artrial 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 recurrent illness that caused vomiting and diarrhea

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

The client who had a myocardial infarction and required stent placement