Sunday, August 24, 2008

9th week

hello everyone..
this is the 9th week of our SIP..
how's things going?
it has been a busy week for both me and my buddy as we have started embarking on our major project.
we have been dividing our time between benchwork and MP during this time.

for the past weeks, i have been posted to different department which includes urine section, order entry and chemistry section. in urine section, i was introduced to the routine work. basically it the same routine work that has been mentioned by dyana in her latest entry. beside doing urinalysis, the med tech there also have to perform any arterial blood gas (ABG) request. i was only allowed to observe how they process the test as it require the id of the person performing the test. it was rather an easy test to do as they just have to load the syringe into the machine and the machine will produce the result.

i was then attached to order entry section the week after. as i had been there before, i was already familiarise with the work flow there. only that this round i was station to do the order entry itself. there was so many codes to remember. but thankfully there was people around to help me out. there was also files which contain the codes placed near the counter. we can always refer to it. apart from having to know the codes for the different test, we must also know how to labeled the tubes for the different test.
EDTA tube are commonly used for FBC and GHB.
HEPARIN tube can be use for most of the tests. this applies to GEL tube as well as PLAIN tube. FLUORIDE tube are used mainly for glucose, particularly fasting.
if the blood are less than half of the tube, we hav to transfer to aliqoute it out to a secondary tube before performing the test. if the blood is too little, another tube will be use called the hitachi cup.
after labelling, we will then give the tubes to the different sections.

chemistry section was fully automated. we just have to load the specimens into the machine and the machine will produce the result. and as a med tech, we will have to anaylse the results and validate them. however there are certain things that we have to take note when loading the tubes into the machines.
there are 3 machines that are used in chemistry. they are MPA, SWA and COBAS.
MPA is the machine that consists of centrifugation, decapping of the tube's cap and aliquoting the specimen according to the test requested.
in MPA we cannot load citrate, edta and fluoride tube. the tubes in the same rack has to be of the same height. we can load 5 tubes on 1 rack.
SWA and COBAS are those that performed the tests.
there are tests that are only available for COBAS and some that are only available for SWA. we have a list of those tests placed near the chemistry processing table which we can refer to if we are not sure which machine to use. those test that are not listed can be loaded into either one of the machines.
there are times wen the MPA will be fully loaded with samples. so, for urgent cases we usually have to spin the sample manually. we called it 'offline'. whenever we are told spin 'offline', it means that we have to use the secondary tube for the sample.
sometimes, it gets pretty confusing.

i guess that's all i have to share for this entry.
thanks for reading.

sutiana
tg01
0604651j



4 comments:

THE CODEC 5 said...

Hi Sutiana!
You mentioned that the "chemistry section was fully automated. we just have to load the specimens into the machine and the machine will produce the result. and as a med tech, we will have to anaylse the results and validate them."

I was just doing my MP too a short while ago and was involved with method validation as well. It was really labourous amd tedious to be bluntly honest. There, we had to check for linearity, range, accuracy, repeatibility, and intermediate precision of the method.

Might i thus also ask what is involved in your valdiating
process(es)?

Thanks!

Alexander Soo TG02
0608122H

De Incredibles said...

heys:D

Do u know what kind of reagents are on the strips to test for albumin?
Thanks:D

Neela
TG02

hellomedtech said...

to alex..

you are talking about method validation is it? what i meant was te validation of the result which is rather simple. unless the result does not fall within the range.

to neela..

i think your post was meant for farhana.

Ms_chew said...

I need to clarify this different definition of validation. What Alex mentioned was a method validation and what Sutiana mentioned was just to validate the results produced by the analyzer. The method validation that Alex mentioned will also have to be done on the analyzer used for clinial testing. However, this is done before the analyzer is used for any clinical testing. The method also has to be validated to ensure the results produced are accurate and precise. They will go through the same process as what Alex has mentioned.