Funtabulously Frivolous Friday Five 127 - Just when you thought your brain could unwind on a Friday, some medical trivia FFFF.
You manage a young male with a subarachnoid haemorrhage. You are called to review because the patient has started to pass green urine
Casual perusal of the output from a patients indwelling catheter revelaed green urine. What are the commonest causes of this unusual urine?