Researchers introduced decision support tools to 13 different hospitals, tracking the overall impact on shared-decision making and patient knowledge. 

Fifteen of the list's top 25 hospitals are located in the United States. 

After years of delays, the initiative's usefulness has "diminished significantly," imaging leaders from several noted institutions wrote in Health Affairs. 

The pretest probability score produced false-negative rates below 1% and dropped imaging use by about 20%, according to a new JAMA Cardiology study. 

CTPA delivery leapt 450% between 2004 and 2016, but efforts from Choosing Wisely and others may have made a dent, experts detailed in JAMA Network Open. 

Dozens of medical societies signed the request, addressed to the leaders of three key congressional committees. 

University Hospitals Health System tested the pricing change in a bid to boost outcomes in its service area. 

A second death, this time in Oregon, has been linked e-cigarette use after a patient was diagnosed with a severe respiratory illness.