Get a check up with his doctor!! His doctor can help guide him before he begins doing anything.
Electrocardiography (EKG) can be measured both noninvasively with electrocardiogram (and it's the most common, totally safe and painless method), as well as invasively with implantable loop recorder (used in extraordinary circumstances).
An example of an anaerobic exercise is: Jogging and sprinting
Carbs
protein
fat
<span>vitamins
</span>minerals
water
