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The Adventure Begins: A New MT’s Perspective

I Love Chemistry

Published February 26, 2009 8:57 AM by Rhonda Daily

I can't believe I just said that, but it's true. I just completed my chemistry rotation at the hospital, and I enjoyed it way more than I had anticipated.

On campus, our degree required us to take 1 year of General Chemistry, one year of Organic Chemistry, one semester of Biochemistry and an Intro to Instrumental Analysis class. I didn't hate any of the classes; they just weren't necessarily my favorite subject.

It occurred to me part of the problem was the "general" part. Chemistry courses on campus can only be just so specific to appeal to multiple majors. It was hard to see where it all fit together in the clinical laboratory.  However, in the lab, the "chemistry" is based much more on physiology--now that was a class I loved! You can directly see why these tests are important and how they fit together.

Even though chemistry tests are becoming more automated--I hear some labs are just about completely automated--you can't lose that knowledge. It's important to know the results you are looking at make sense. 

There has been some buzz about the new Doctorate in Clinical Laboratory Science, and my rotation in chemistry has confirmed my decision to pursue that degree. Looking at a patient's chemistry panels is like piecing a puzzle together--it requires a lot of understanding and interpretation of results, not just memorizing normal ranges. I would hate to get so used to just reporting out patient results you don't even question them anymore, or worse, you forget what would cause them to be abnormal in the first place.

Anyway, if there are any students out there who have already decided chemistry just isn't their favorite thing... just wait! It will be so much different in the lab, and by different, I mean better!

1 comments

I may have mentioned this on a blog other than yours - I studied for one year toward a PhD in Physiology/Pharmacology at Wake Forest University School of Medicine before getting bitten by a rat during one of my research rotations in that program and subsequently deciding that the clinical side of laboratory work may be physically safer. (Patients should be highly unlikely to bite you while you're trying to collect a blood specimen from them, if that's required of MTs at a particular hospital...LOL!)

Physiology (and Clinical Chemistry a few years later in my MT program) also greatly intrigued me, although I discovered while working in clinical labs during the past nearly five years that I mainly prefer the more "hands-on" Microbiology and Blood Bank areas over trying to figure out what's wrong with a machine.

I also wanted to mention that with enough experience, you'll see chemistry results that should be "incompatible with life" such as a potassium level of around 8 or 9 and a calcium level of 0.2 or so - caused by a phlebotomist pouring a lavender pediatric tube ("bullet") into a red or gold bullet!  Potassium EDTA (the anticoagulant in lavender tubes) binds calcium, falsely decreasing its measured value in a specimen - and of course adds potassium that was not originally present in the patient's blood.  I found out that this happens quite a bit at a hospital in Texas where I worked as a traveling/agency technologist.

Perhaps part of our profession's "lack of recognition" is due to the general public not understanding that it takes a LOT of critical thinking to do our jobs - not only about the patient's medical condition influencing his/her chemistry (or other) results, but "pre-analytical" errors such as the one I just mentioned.

Stephanie Mathis, MT(ASCP), Generalist - Clinical Laboratory Scientist, Danville Regional Medical Center February 26, 2009 3:41 PM
Danville VA

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