Matthew W. Martinez, MD, a cardiologist out of New Jersey, has years of experience working with athletes.

The authors examined data from more than 42,000 patients who received care from 2012 to 2017. 

Straightforward, easy-to-replicate changes helped transform a hospital's CR referral rates. 

Researchers explained that their findings were different from previous studies because they took a wide variety of factors, including underlying health conditions, into account.