If someone has experienced a mild heart attack, what symptoms would they notice when attempting an aerobically intense activity such as jogging?

Chest pain: Chest pain is the typical symptom of heart attack. Other symptoms include dizziness and lightheadedness, and sometime nausea and abdominal pain, although hard to distinguish from symptoms of jogging. If they are occurring at levels of exercise lower than you usually tolerate, think about it. But chest pain is not a sign of exercise and should be addresses.

Be MD cleared first.: If you had a heart attack, you should go through monitored cardiac rehab prior to resuming intense exercise. Also you should have a stress test. Some patients after a heart attack may have residue under persuaded muscle. Be safe and be cleared by your md prior to intense exercise.

Get cleared and be a: If you think you may have suffered a mild heart attack by all means get examined and make sure you are not at risk for a bigger one or that something can't be done to save further muscle that might be at risk. Once cleared you should start a gradual resumption of aerobic exercise and coordinate with a cardiac rehab specialist in your area.

Hopefully: Nothing cardiac or shouldn't be doing it