G - Welcome to the University of Salford | University of ...

Dark blood or 'coffee grounds' suggests a smaller bleed which has been altered by contact with gastric acid. A large volume of bright red blood is suggestive of a rapid and sizeable haemorrhage. Haemorrhoids: Also known as piles, are swellings that contain enlarged and swollen blood vessels in or around the rectum and anus. ................
................