Dr. Oliver Korshin says he's just a few years from retirement and can't afford the flurry of technology upgrades the federal government expects him to make. Annie Feidt/Alaska Public Media hide caption

itoggle caption Annie Feidt/Alaska Public Media

An official at the University of Michigan Health System in Ann Arbor says its mix of patients helps explain the infection rates. Scott C. Soderberg/Courtesy of University of Michigan Health System hide caption

itoggle caption Scott C. Soderberg/Courtesy of University of Michigan Health System

Doctors say they need to accept patients with a variety of types of insurance in order for them to stay in businesses. iStockphoto hide caption

itoggle caption iStockphoto

Keeping patient records electronically, instead of on paper, didn't change how much hospitals charged per procedure, a study shows. But critics say billing errors can be more subtle. Roy Scott/Ikon Images/Corbis hide caption

itoggle caption Roy Scott/Ikon Images/Corbis

Dorothea Handron suffered an infection after a surgeon unknowingly pierced her bowel during a hernia operation. She became so ill that doctors placed her in a medically induced coma for six weeks. Jim R. Bounds/AP Images for Kaiser Health News hide caption

itoggle caption Jim R. Bounds/AP Images for Kaiser Health News