Final answer:
The correct sequela of a myocardial infarction (MI) is having to be hospitalized frequently due to problems with the damaged heart.
Step-by-step explanation:
A sequela, or consequence, of a myocardial infarction (MI) often includes various complications due to the damage to the heart muscle. Hospitalizations can become frequent for individuals who have experienced an MI, primarily because of issues associated with the injured heart, such as heart arrhythmias, heart failure, and the potential for subsequent heart attacks. The correct answer to the given question is 1) having to be hospitalized frequently because of problems associated with the damaged heart.