Paediatricsmiddle twist
A 15-year-old boy is being cleared to play club rugby. He has never had chest pain, palpitations, breathlessness out of proportion to exertion or blackouts, and takes no medication. Cardiovascular examination is normal, with no murmur, normal heart sounds and equal upper and lower limb pulses. While the consent form is being signed his mother mentions that her younger brother drowned at 34 while swimming laps in a pool he had used for years, and that the coroner found nothing at autopsy. Which one of the following should be arranged before he is cleared to play?