Karen Foo is a Type-B ER doctor, if there's such a thing. Laid back up-for-anything is her motto. But she also can't sit still. That's what led her to becoming an ER Doctor - everything else was just too boring. If you've ever watched the Pitt on HBO, you'll know what her life is like. Get ready to cringe at some of the gross stories that can only come from an ER doc.