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What is a blood test?

Not sure what a blood test is carried out for? This article will give you an overview!

Blood tests have a wide range of uses and are one of the most common types of medical tests.

For example, a blood test can be used to:

    • assess your general state of health
    • check if you have an infection
    • see how well certain organs, such as the liver and kidneys, are working
    • screen for certain genetic conditions

There are two main ways to collect a blood sample, either using a venous or finger-prick method. This is what to expect from each type of blood test:

  • a venous blood test — a needle is used to puncture a vein, usually in your arm, and allows you to collect a large blood sample. This type of blood test can be used to test a full-range of biomarkers but is more invasive.
  • a finger-prick blood test — a lancet is used to prick your finger and allows you to collect a small blood sample. You can do this type of test yourself and it’s less invasive than a venous sample. However, while it can be used to test a wide range of biomarkers it’s not possible to test every biomarker.

Rightangled blood tests are a simple finger-prick test that can show you your current conditions and check the functionality of your organs, such as your thyroid.

Blood tests are a relatively non-invasive and common procedure that can help you see what’s working and what needs to be done. 


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