Drama ensues when doctors work to save patients bleeding from traumatic injuries. Ian Roberts hide caption

itoggle caption Ian Roberts

Researchers find that more than 40 percent of surgical complications happen after patients leave the hospital. iStockphoto.com hide caption

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Barbara Fleming is evacuated from Bellevue Hospital by Victor Rivera in the aftermath of Superstorm Sandy in New York on Oct. 31. Carlo Allegri/Reuters/Landov hide caption

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Ambulances line up outside New York University Langone Medical Center to evacuate patients after backup generators failed when Sandy knocked out power in Lower Manhattan Monday. John Minchillo/AP hide caption

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Denver Health has a network of clinics to keep track of patients discharged from its hospital. Denver Health hide caption

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Ashley Beecher, 29, and her daughters Annie (on lap) and Charlie. After feeding Annie, Beecher donates her extra supply to the human milk bank at Texas Children's Hospital. KUHF hide caption

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C.S. Mott Women and Children's Hospital is part of the University of Michigan Ann Arbor Health System, one of the organizations Medicare is penalizing for its high readmission rate. Lon Horwedel/AP hide caption

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The Opening Ceremony of the London 2012 Olympic Games included a paean to the National Health Service, the U.K.'s socialized healthcare system. Gallo/Getty Images hide caption

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