Four different kangaroo¿ co2 detectors were placed on the same patient over the course of two days.There was constant difficulty when flushing them or unable to flush them at all.New kangaroo¿ co2 detector was opened to replaced the defective ones and the same problem was occurred with the new device.X-ray showed that the kangaroo¿ co2 detector was in proper position even when pulled back a little.After the failure of the 4th kangaroo¿ co2 detector, a nasogastric tube was placed on the patient and able to start tube feeding.
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