A Beautiful (or Colourful?) Mind

Tell me what would you do if you were me.Busy day. Admissions non-stop. Then I saw this patient (the unlucky me).20 years old. Student nurse."Doctor, i noticed something funny with my stools. Over the past one week i've been passing darkish stool..but not really like malenic you know? More like dark BLUE..with some mucous..i'm not sure whether it's mixed with some tissue debris? And that day i