Nash Rawiller should know in the next 24 hours whether he requires surgery on the shoulder he injured in a race fall at Sha Tin on Monday.
The 42-year-old was sent crashing to the turf as runners turned for home in Race 4 - a 1200m Class 4 Handicap.
Rawiller was aboard favourite Mr Oriole, which came down after fracturing a leg.
The Australian was left with a fractured shoulder, badly injured ankle, and sore back.
“I’m waiting to hear whether I need an operation on my shoulder,” Rawiller told G1X.com.au from his hospital bed.
“I was pretty lucky that most of the horses got around me; the jockeys behind me did a great job.
“It was a bit messy, and unfortunately the horse had to get put down, which isn’t nice.
“The horse behind me… on its way past it felt like its head hit me in the back, which has broken a couple of wings on my vertebrae. It hit me quite hard on the back, that’s what pushed me out of the saddle and made the fall a lot worse; I hit the ground a lot harder because of that, I think.