We have different types of screening tests that are available. Various screening tests are necessary because they try to find out if there is a problem with an individual. Before going for screening, examination, it is essential to be informed of the same so that you make the right decision on the same. Before you undertake a screening test, you must ensure that you are aware of the scientific background, understand the critical terms, and it is indeed worth having it.
The diagnostic tests are typically done to identify the various diseases causing the symptoms. Screening tests are different as they are done to the individuals who are not necessarily ill.
The primary objective of the screening test is to detect the diseases at an early stage and treat it before it becomes difficult to manage. Treating the various ailments at the early stages has had a positive outcome than treating it at an advanced stage.
We have different types of screening tests. At birth, all the newborns are usually subjected to the hearing test which is an example of screening. The opportunistic screening is another kind of testing whereby a doctor conducts a check for a particular purpose.
He could for instance order for a blood pressure test. We also have the population-wide screening whereby all persons who fulfill the criteria of the given test are usually invited to have a voluntary test. The breast mammography is the most popular type of the population-wide screening, as it tries to detect the presence of the cancer cells.
It is essential to note that the medical tests that are obtained after the various screening tests are never suitable when it comes to making a final diagnosis. The test is never independent and may need further tests and examination to come up with conclusive evidence.
Most of the tests are used to detect the presence of any abnormalities. For example, for the stool tests, if the stool has blood, it could be assign of the bowel cancer. Since this test is not conclusive, it may require further examination of the bowel by an endoscope.
Last but not least, it is critical to point out that not all the screening tests are aimed at detecting the presence of diseases. In fact, most are usually done to identify the risk factors of some diseases.
In some countries, it is mandatory for individuals who are above 35 years to undergo the urine and blood tests to detect the presence of various disease.