Cardiopulmonary exercise testing

What is cardiopulmonary exercise testing and what can it show?

Cardiopulmonary exercise testing (CPET) is a type of exercise test. It can tell the healthcare team how much exercise you can do.

How is cardiopulmonary exercise testing done?

CPET involves breathing into a mouthpiece while riding an exercise bike or walking on a treadmill. You will also normally be connected to an electrocardiogram (ECG) machine to monitor your heart.