What’s left to do in a hospital, TV-wise? Sadly not much, unless someone finally launches a much-deserved drama about the billing department or the cafeteria. Meanwhile, patients come, patients go — dying or surviving in accordance with the alt-rock ballad playing on the soundtrack. Everyone on the staff has diddled everyone else. In TV’s recent history, flawed doctors and nurses have popped pills or cut corners, ruining their own lives when they weren’t saving the lives of their patients — or inadvertently killing them.