At 1hr 10, Debi's parents push open the ICU doors. Then just after that, the doctor tells them that Debi will be "transferred to the ICU".
During the jumping accident you can see the fake horse by watching the horses legs bending completely backwards.
When Debbie is riding just before the accident 1 h 10 mins you can see Debbie is riding a chestnut with a white blaze, but in the next scene it is the bay horse, then in the next scene it is the chestnut with the blaze again.