(1) Patients should also have a nasogastric tube and urinary catheter inserted.(2) This will involve placing a small rubber tube called a catheter in the abscess to drain out the fluid.(3) a urinary catheter(4) It is often helpful to insert a urinary catheter , so that the diarrhoea can be accurately quantified by recording the stool weight.(5) This relieves the obstruction to the flow of urine by passing a urinary catheter to empty the bladder.(6) One of the main sources of nosocomial bloodstream infections is intravascular catheters .
