Over the course of our life, chances are we'll undergo several thorough health screening exams. This is because our bodies undergo changes as we progress through the various stages of our lives, from young child to elderly senior citizen.
It's because of this factor that it's recommended that these sorts of examinations be performed from time-to-time. Most of them consist of a few basic and a few thorough tests and exams, including a blood test.
In this, a quick test looks at our red blood and white blood cell counts to check for anemia, infections or possible imminent disease or dysfunction. But, what else does a health screening blood test reveal?
Let's start out by saying that a thorough examination of the blood taken from a patient undergoing a health screening is probably one of the most useful diagnostic tools available to the physician of any era, including this one.
In the age of the MRI or CT scan, examining a person's blood for the presence or absence of certain chemicals, factors and other items can still be the quickest way to determine if there's something serious going on in our bodies that we may not otherwise be able to find out, if we're currently 'asymptomatic' (without any symptoms).
As to what things our health screening blood test can reveal, well the answer can be dependent upon several factors. What was the health screening for? Was it an annual screen for general health or were we looking for certain chemicals, hormones, amino acids or proteins in the bloodstream that could be reliable indicators of something more serious than just anemia? All of these issues come into play when it comes to blood screening and values.
Generally, though, our blood will be checked for several things. The amount of hemoglobin in our blood is always determined. This is a protein in our red blood cells (RBCs) that carries oxygen. In cases where there may be internal bleeding of some sort, hemoglobin could be significantly lower. Also, the levels of the blood's various lipids, or fats, are checked for.
The exam will look at both 'good' (HDL, or High-Density Lipoprotein) and 'bad' (Low-Density Lipoprotein) cholesterol. Those two, plus fatty acids in the blood, called triglycerides receive a thorough look-see. If LDL and triglycerides are too high, the patient's risk of heart disease and other ailments is usually aslso higher. The presence of high levels of HDL can help lower the risk, by the way.
All in all, examining the blood for hemoglobin, HDL, LDL and triglycerides is normally all that's needed in a thorough health screening exam. And people should have these sorts of blood tests on a medically-recommended basis.
Above all, a blood test does not accurately reveal if there's any lump or cysts, first stage of cancerous tumor plus their size or location. Your blood test is useful if they are accompany by other thorough screening to get a complete health record of you.
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