Interval events include anything notable that happened to you since you last saw your doctor, if they’re not already in the loop. Examples include being hospitalized, surgery, a bad infection, going to the ER, or visits with other doctors you’ve seen.
As we age, big non-medical events are important to your doctor, too: divorce, having a grandchild, losing a job, major financial reversals. The medical and social components of our lives become more inextricably linked as we age and conspire to influence health. As a general rule, if you’re not sure if something constitutes a “significant event,” include it.