Gail - it's 'purple urine bag syndrome', and is well described.
Try
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_ui
ds=12673408&dopt=Abstract
- or Google "purple urine bag"!
Cheers
Mike
-----Original Message-----
From: Curtis, Gail [mailto:[log in to unmask]]
Sent: 08 September 2005 17:25
To: [log in to unmask]
Subject: Coloured urine
Dear All
We have an 83 yr old gentleman admitted with pain and weakness in his left
thigh. Catheterised on admission and found to have brightly coloured
blue/purple urine (producing 800ml over 7hours). Prev Hx of stroke and Ca
prostate (TURP many years ago, lost to follow-up). Unable to feed himself,
no herbal medications. Medications on admission - aspirin, persantin and
lorazepam.
Urine pH >9, urine protein 1.3g/l, microscopy showed 'amorphous sediment and
crystals', probable UTI. Centrifugation yielded a dark orange/brown
supernatant and a grey precipitate with a dark blue ring on top of the
precipitate.
Any clues please to the blue/purple colouration?
Gail Curtis
Dr Gail Curtis
Principal Biochemist
Department of Chemical Pathology
Ysbyty Glan Clwyd
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