Norton is 13 weeks of age and can't keep his food down. A birth abnormality means he is literally choking to death every time he tries to eat something.
In this (mostly) FAMILY FRIENDLY video ARH Surgical Specialist Dr Sarah Goldsmid explains Norton's problem. We then briefly go into surgery where you WILL see his beating heart and the problem which Dr Sarah will attempt to fix.
But don't worry - This story has a positive ending as you will see.
SOME SURGERY VISION from 3:05 - 4-20