Here are a couple reasons why I am hesitant to recommend using the "ergonomic" mouse pad with elevated wrist rest.
Office Ergonomics by Velocity EHS
How To Position a Wrist Support - No More Pain Ergonomics
10 Best Wrist Rests for Mouse and How to Use It
Mouse equipment, Staff
Wrist Rests: All Your Questions Answered
CCOHS: Office Ergonomics - Wrist Rests
A wrist rest at the mouse – yay or nay?
How To Position a Wrist Support - No More Pain Ergonomics
Product Review: Unimouse - VelocityEHS
Why Your Wrists Deserve the Best Wrist rest
10 Best Wrist Rests for Mouse and How to Use It