Cardiac stress test with radioactive dye?

What can cause your heart rate to drop after a dye stress test from 90 to 69 the scan had to be done again?

• My husband had the dye stress test and after the treadmill he went in the scan and during it his heart rate dropped from 90 to 69 and the test had to be done again. the second time it also did that. but we are concerned with such a quick drop and then back up

• Answer:

  This Patient Guide is written for the loved ones of heart patients who are dealing with the short-term stress that comes with a test, procedure or recent diagnosis of heart disease. It explains why support is so important to a loved one with heart disease. It also offers practical strategies on how to support a loved one while also taking care of yourself.