Cardio Pulmonary Exercise Test (CPET) is a test on a bike in hospital to check your lungs. This video by the What? Why? Children in Hospital charity shows mums, dads and children what happens in hospital. Having to wear a face mask, electrodes and getting their blood pressure measured during a test on an exercise bike can make children anxious. This video will help families prepare for the test. Parents could show this video to their child before their appointment to help them understand what is going to happen in hospital.

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