How likely are you to have a nother heart attack when having the chemicalinduced stress test w /imiging?

1 in 10000. 1 on 10, 000 chance if the test is ordered appropriately.
Almost unheard of. The test is extremely safe because the medicine used for the stress test is extremely short acting - it's completely metabolized and gone in about 3 minutes, much too brief a time for any permanent damage to be done.

Related Questions

35 M with no fam his non smoker normal BP, normal chol and neg stress test in jan. Should I be worried about heart attack within the next few years?

Probably not, assuming you are not diabetic. You are doing all the right things, and presumably have a doctor if you start to develop any symptoms. Do add exercise to your regimen if you haven't already.

Is it possible to die from a heart attack during a dobutamine stress test?

Yes, but it is rare. There is a 1 in 10, 000 chance of dying during any stress test.
Rarely, but Yes. All types of stress test have risks, including the rare risk of death. Other risks include arrhythmias such as atrial fibrillation, palpitations, COPD or asthma exacerbation, and passing out. Fortunately most are rare.

46 yr old. Normal nuclear stress test 2011, norm exercise test 2012, 6/6/13 no blockages seen on heart cath. Do I have to worry about heart attack?

Not very much. But keep, on track with diet, exercize, become a non smoker, blood pressure monitoring and control.
Heart cath. The answer lies in why you had a heart cath if all of your non-invasive studies were truly normal. I suspect that there were abnormalities that prompted the cath.