Potential side effects of the exercise stress test include:
* In very rare cases (approximately 1 in 2,500 people), there is a risk of a heart attack.
* With an extremely low probability (approximately 1 in 25,000 people), there is a risk of death.
* More frequently observed side effects include (approximately 9.5 in 10,000 people) irregularities in heart rhythm.
* Additionally, milder side effects such as fatigue, dizziness or faintness, headache, shortness of breath, and nausea may occur during and after the test.