We recently received
a blood sample taken from a six year old boy who attended our phlebotomy
Dept. His clinical details were recurrent cough and abdominal pains with
possible weight loss, he was not on a drip.
The sample was taken
into a disposable 5ml syringe and then transferred to a small plastic
Lithium heparin tube for Chemistry and an EDTA for
Haematology.
The patients results
which were very abnormal are listed below. The results were phoned to
the GP and the patient was admitted to the paediatric ward a few hours later and
another blood sample taken. The results for which were normal. This
same situation occurred about a month ago but on an adult patient who was on
plasma expanders and the samples taken into 7ml Beckton Dickenson SST
tubes.
The original sample
appears diluted but with a high Sodium which is not detected (or not so
detected) by Direct ISE. The high Sodium is repeatable on two different Olympus
AU600 (indirect ISE) analysers. The Haematology sample also showed similar
dilution effect. Has anyone any ideas what could be causing this
effect?
|
Original |
Original |
Direct ISE |
Repeat |
|
Analyser A |
Analyser B |
|
sample |
| Na |
173 |
171 |
148 |
140 |
| K |
3.2 |
3.2 |
2.7 |
3.7 |
| Urea |
3.6 |
|
|
6.1 |
| Glucose |
2.9 |
|
|
4.8 |
| Creat |
46 |
|
|
62 |
| Calcium |
1.34 |
|
|
2.5 |
| Albumin |
31 |
|
|
46 |
| TP |
51 |
|
|
70 |
| ALT |
12 |
|
|
12 |
| ALP |
128 |
|
|
187 |
| Bilirubin |
4 |
|
|
3 |
| Osmolality |
275 |
|
|
289 |
| Hb |
8.3 |
|
|
11 |
| WCC |
7.2 |
|
|
13.1 |
| platelets |
411 |
|
|
570 |
| HCT |
25% |
|
|
32% |
| RBC |
3.1 |
|
|
4.1 |
| MCV |
80 |
|
|
78 |
|
|
|
|
|
Tim
Hogan
Basildon
**********************************************************************
This email and any files transmitted with it are confidential and
intended solely for the use of the individual or entity to whom they
are addressed. If you have received this email in error please notify
the system manager at mailto:[log in to unmask]
This footnote also confirms that this email message has been swept by
MIMEsweeper for the presence of computer viruses.
www.mimesweeper.com
**********************************************************************