An elderly frail woman with dementia was admitted to the internal medicine service because of malfunction of her percutaneous gastrostomy tube. The patient had a history of recurrent hospitalizations for pneumonia and urinary tract infections. She had a permanent indwelling urinary catheter because of repeated episodes of urinary retention. The gastrostomy tube was replaced.
During admission a nurse noticed that the color of the urine was purple (Figure 1). A urine dipstick analysis revealed +2 leukocytes, +1 red blood cells, positive nitrites, and a urinary pH of 8.2.
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Figure 1. Patient urine on admission.
Figure 2. Patient urine after treatment.
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